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Finding the Fourth Proportional to 266,749.60, 400,124.40 and 161,773.60

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Solution

The fourth proportional to 266,749.60, 400,124.40 and 161,773.60 is: 242,660.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,749.60 : 400,124.40 = 161,773.60 : x
  2. Step 2: Convert to fraction form
    266,749.60/400,124.40 = 161,773.60/x
  3. Step 3: Cross multiply
    266,749.60x = 400,124.40 × 161,773.60
  4. Step 4: Simplify right side
    266,749.60x = 64,729,564,635.84
  5. Step 5: Solve for x
    x = 64,729,564,635.84/266,749.60
  6. Step 6: Final answer
    x = 242,660.40

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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.