Home / 345,004.26-517,342.53-120,337.42

Finding the Fourth Proportional to 345,004.26, 517,342.53 and 120,337.42

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Solution

The fourth proportional to 345,004.26, 517,342.53 and 120,337.42 is: 180,448.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,004.26 : 517,342.53 = 120,337.42 : x
  2. Step 2: Convert to fraction form
    345,004.26/517,342.53 = 120,337.42/x
  3. Step 3: Cross multiply
    345,004.26x = 517,342.53 × 120,337.42
  4. Step 4: Simplify right side
    345,004.26x = 62,255,665,316.47
  5. Step 5: Solve for x
    x = 62,255,665,316.47/345,004.26
  6. Step 6: Final answer
    x = 180,448.98

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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.