Home / 345,003.26-517,341.03-120,336.42

Finding the Fourth Proportional to 345,003.26, 517,341.03 and 120,336.42

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Solution

The fourth proportional to 345,003.26, 517,341.03 and 120,336.42 is: 180,447.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,003.26 : 517,341.03 = 120,336.42 : x
  2. Step 2: Convert to fraction form
    345,003.26/517,341.03 = 120,336.42/x
  3. Step 3: Cross multiply
    345,003.26x = 517,341.03 × 120,336.42
  4. Step 4: Simplify right side
    345,003.26x = 62,254,967,469.31
  5. Step 5: Solve for x
    x = 62,254,967,469.31/345,003.26
  6. Step 6: Final answer
    x = 180,447.48

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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.