Home / 345,004.83-517,343.52-120,337.96

Finding the Fourth Proportional to 345,004.83, 517,343.52 and 120,337.96

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Solution

The fourth proportional to 345,004.83, 517,343.52 and 120,337.96 is: 180,449.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,004.83 : 517,343.52 = 120,337.96 : x
  2. Step 2: Convert to fraction form
    345,004.83/517,343.52 = 120,337.96/x
  3. Step 3: Cross multiply
    345,004.83x = 517,343.52 × 120,337.96
  4. Step 4: Simplify right side
    345,004.83x = 62,256,063,816.02
  5. Step 5: Solve for x
    x = 62,256,063,816.02/345,004.83
  6. Step 6: Final answer
    x = 180,449.83

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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.