Home / 317,625.86-438,304.05-174,385.10

Finding the Fourth Proportional to 317,625.86, 438,304.05 and 174,385.10

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Solution

The fourth proportional to 317,625.86, 438,304.05 and 174,385.10 is: 240,640.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,625.86 : 438,304.05 = 174,385.10 : x
  2. Step 2: Convert to fraction form
    317,625.86/438,304.05 = 174,385.10/x
  3. Step 3: Cross multiply
    317,625.86x = 438,304.05 × 174,385.10
  4. Step 4: Simplify right side
    317,625.86x = 76,433,695,589.66
  5. Step 5: Solve for x
    x = 76,433,695,589.66/317,625.86
  6. Step 6: Final answer
    x = 240,640.66

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1.5x scale

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.