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Finding the Fourth Proportional to 350,007.49, 525,215.13 and 147,591.19

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Solution

The fourth proportional to 350,007.49, 525,215.13 and 147,591.19 is: 221,472.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,007.49 : 525,215.13 = 147,591.19 : x
  2. Step 2: Convert to fraction form
    350,007.49/525,215.13 = 147,591.19/x
  3. Step 3: Cross multiply
    350,007.49x = 525,215.13 × 147,591.19
  4. Step 4: Simplify right side
    350,007.49x = 77,517,126,042.70
  5. Step 5: Solve for x
    x = 77,517,126,042.70/350,007.49
  6. Step 6: Final answer
    x = 221,472.76

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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.