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Finding the Fourth Proportional to 664,308.10, 996,462.15 and 243,529.30

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Solution

The fourth proportional to 664,308.10, 996,462.15 and 243,529.30 is: 365,293.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,308.10 : 996,462.15 = 243,529.30 : x
  2. Step 2: Convert to fraction form
    664,308.10/996,462.15 = 243,529.30/x
  3. Step 3: Cross multiply
    664,308.10x = 996,462.15 × 243,529.30
  4. Step 4: Simplify right side
    664,308.10x = 242,667,729,866.00
  5. Step 5: Solve for x
    x = 242,667,729,866.00/664,308.10
  6. Step 6: Final answer
    x = 365,293.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.