Home / 317,531.22-438,177.51-174,288.66

Finding the Fourth Proportional to 317,531.22, 438,177.51 and 174,288.66

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Solution

The fourth proportional to 317,531.22, 438,177.51 and 174,288.66 is: 240,509.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,531.22 : 438,177.51 = 174,288.66 : x
  2. Step 2: Convert to fraction form
    317,531.22/438,177.51 = 174,288.66/x
  3. Step 3: Cross multiply
    317,531.22x = 438,177.51 × 174,288.66
  4. Step 4: Simplify right side
    317,531.22x = 76,369,371,060.04
  5. Step 5: Solve for x
    x = 76,369,371,060.04/317,531.22
  6. Step 6: Final answer
    x = 240,509.80

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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.