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Finding the Fourth Proportional to 288,446.10, 432,710.15 and 88,783.13

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Solution

The fourth proportional to 288,446.10, 432,710.15 and 88,783.13 is: 133,187.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,446.10 : 432,710.15 = 88,783.13 : x
  2. Step 2: Convert to fraction form
    288,446.10/432,710.15 = 88,783.13/x
  3. Step 3: Cross multiply
    288,446.10x = 432,710.15 × 88,783.13
  4. Step 4: Simplify right side
    288,446.10x = 38,417,358,892.30
  5. Step 5: Solve for x
    x = 38,417,358,892.30/288,446.10
  6. Step 6: Final answer
    x = 133,187.31

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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.