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Finding the Fourth Proportional to 240,940.47, 361,428.46 and 63,446.25

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Solution

The fourth proportional to 240,940.47, 361,428.46 and 63,446.25 is: 95,174.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,940.47 : 361,428.46 = 63,446.25 : x
  2. Step 2: Convert to fraction form
    240,940.47/361,428.46 = 63,446.25/x
  3. Step 3: Cross multiply
    240,940.47x = 361,428.46 × 63,446.25
  4. Step 4: Simplify right side
    240,940.47x = 22,931,280,430.28
  5. Step 5: Solve for x
    x = 22,931,280,430.28/240,940.47
  6. Step 6: Final answer
    x = 95,174.05

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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.