Home / 316,248.28-436,419.02-173,006.66

Finding the Fourth Proportional to 316,248.28, 436,419.02 and 173,006.66

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Solution

The fourth proportional to 316,248.28, 436,419.02 and 173,006.66 is: 238,747.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,248.28 : 436,419.02 = 173,006.66 : x
  2. Step 2: Convert to fraction form
    316,248.28/436,419.02 = 173,006.66/x
  3. Step 3: Cross multiply
    316,248.28x = 436,419.02 × 173,006.66
  4. Step 4: Simplify right side
    316,248.28x = 75,503,397,010.67
  5. Step 5: Solve for x
    x = 75,503,397,010.67/316,248.28
  6. Step 6: Final answer
    x = 238,747.22

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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.