Home / 351,640.20-527,474.70-102,322.20

Finding the Fourth Proportional to 351,640.20, 527,474.70 and 102,322.20

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Solution

The fourth proportional to 351,640.20, 527,474.70 and 102,322.20 is: 153,487.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,640.20 : 527,474.70 = 102,322.20 : x
  2. Step 2: Convert to fraction form
    351,640.20/527,474.70 = 102,322.20/x
  3. Step 3: Cross multiply
    351,640.20x = 527,474.70 × 102,322.20
  4. Step 4: Simplify right side
    351,640.20x = 53,972,371,748.34
  5. Step 5: Solve for x
    x = 53,972,371,748.34/351,640.20
  6. Step 6: Final answer
    x = 153,487.49

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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.