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Finding the Fourth Proportional to 302,517.70, 453,670.77 and 89,229.04

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Solution

The fourth proportional to 302,517.70, 453,670.77 and 89,229.04 is: 133,812.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,517.70 : 453,670.77 = 89,229.04 : x
  2. Step 2: Convert to fraction form
    302,517.70/453,670.77 = 89,229.04/x
  3. Step 3: Cross multiply
    302,517.70x = 453,670.77 × 89,229.04
  4. Step 4: Simplify right side
    302,517.70x = 40,480,607,283.16
  5. Step 5: Solve for x
    x = 40,480,607,283.16/302,517.70
  6. Step 6: Final answer
    x = 133,812.36

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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.