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Finding the Fourth Proportional to 288,325.60, 432,487.38 and 77,963.52

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Solution

The fourth proportional to 288,325.60, 432,487.38 and 77,963.52 is: 116,945.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,325.60 : 432,487.38 = 77,963.52 : x
  2. Step 2: Convert to fraction form
    288,325.60/432,487.38 = 77,963.52/x
  3. Step 3: Cross multiply
    288,325.60x = 432,487.38 × 77,963.52
  4. Step 4: Simplify right side
    288,325.60x = 33,718,238,500.38
  5. Step 5: Solve for x
    x = 33,718,238,500.38/288,325.60
  6. Step 6: Final answer
    x = 116,945.00

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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.