Home / 502,057.20-753,110-165,090.39

Finding the Fourth Proportional to 502,057.20, 753,110 and 165,090.39

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Solution

The fourth proportional to 502,057.20, 753,110 and 165,090.39 is: 247,643.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,057.20 : 753,110 = 165,090.39 : x
  2. Step 2: Convert to fraction form
    502,057.20/753,110 = 165,090.39/x
  3. Step 3: Cross multiply
    502,057.20x = 753,110 × 165,090.39
  4. Step 4: Simplify right side
    502,057.20x = 124,331,223,612.90
  5. Step 5: Solve for x
    x = 124,331,223,612.90/502,057.20
  6. Step 6: Final answer
    x = 247,643.54

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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.