Home / 351,841.50-527,562.30-138,493.78

Finding the Fourth Proportional to 351,841.50, 527,562.30 and 138,493.78

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Solution

The fourth proportional to 351,841.50, 527,562.30 and 138,493.78 is: 207,661.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,841.50 : 527,562.30 = 138,493.78 : x
  2. Step 2: Convert to fraction form
    351,841.50/527,562.30 = 138,493.78/x
  3. Step 3: Cross multiply
    351,841.50x = 527,562.30 × 138,493.78
  4. Step 4: Simplify right side
    351,841.50x = 73,064,097,112.49
  5. Step 5: Solve for x
    x = 73,064,097,112.49/351,841.50
  6. Step 6: Final answer
    x = 207,661.96

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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.