Home / 493,352.32-739,966.98-138,394.02

Finding the Fourth Proportional to 493,352.32, 739,966.98 and 138,394.02

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Solution

The fourth proportional to 493,352.32, 739,966.98 and 138,394.02 is: 207,573.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,352.32 : 739,966.98 = 138,394.02 : x
  2. Step 2: Convert to fraction form
    493,352.32/739,966.98 = 138,394.02/x
  3. Step 3: Cross multiply
    493,352.32x = 739,966.98 × 138,394.02
  4. Step 4: Simplify right side
    493,352.32x = 102,407,005,029.46
  5. Step 5: Solve for x
    x = 102,407,005,029.46/493,352.32
  6. Step 6: Final answer
    x = 207,573.78

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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.