Home / 493,189.20-739,565.10-227,031.30

Finding the Fourth Proportional to 493,189.20, 739,565.10 and 227,031.30

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Solution

The fourth proportional to 493,189.20, 739,565.10 and 227,031.30 is: 340,446.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,189.20 : 739,565.10 = 227,031.30 : x
  2. Step 2: Convert to fraction form
    493,189.20/739,565.10 = 227,031.30/x
  3. Step 3: Cross multiply
    493,189.20x = 739,565.10 × 227,031.30
  4. Step 4: Simplify right side
    493,189.20x = 167,904,426,087.63
  5. Step 5: Solve for x
    x = 167,904,426,087.63/493,189.20
  6. Step 6: Final answer
    x = 340,446.28

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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.