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Finding the Fourth Proportional to 215,329.66, 297,154.50 and 133,627.50

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Solution

The fourth proportional to 215,329.66, 297,154.50 and 133,627.50 is: 184,405.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,329.66 : 297,154.50 = 133,627.50 : x
  2. Step 2: Convert to fraction form
    215,329.66/297,154.50 = 133,627.50/x
  3. Step 3: Cross multiply
    215,329.66x = 297,154.50 × 133,627.50
  4. Step 4: Simplify right side
    215,329.66x = 39,708,012,948.75
  5. Step 5: Solve for x
    x = 39,708,012,948.75/215,329.66
  6. Step 6: Final answer
    x = 184,405.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.