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Finding the Fourth Proportional to 307,418.88, 424,238.40 and 169,594.68

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Solution

The fourth proportional to 307,418.88, 424,238.40 and 169,594.68 is: 234,040.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,418.88 : 424,238.40 = 169,594.68 : x
  2. Step 2: Convert to fraction form
    307,418.88/424,238.40 = 169,594.68/x
  3. Step 3: Cross multiply
    307,418.88x = 424,238.40 × 169,594.68
  4. Step 4: Simplify right side
    307,418.88x = 71,948,575,691.71
  5. Step 5: Solve for x
    x = 71,948,575,691.71/307,418.88
  6. Step 6: Final answer
    x = 234,040.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.