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Finding the Fourth Proportional to 498,597.19, 688,065.98 and 272,242.69

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Solution

The fourth proportional to 498,597.19, 688,065.98 and 272,242.69 is: 375,695.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,597.19 : 688,065.98 = 272,242.69 : x
  2. Step 2: Convert to fraction form
    498,597.19/688,065.98 = 272,242.69/x
  3. Step 3: Cross multiply
    498,597.19x = 688,065.98 × 272,242.69
  4. Step 4: Simplify right side
    498,597.19x = 187,320,930,211.31
  5. Step 5: Solve for x
    x = 187,320,930,211.31/498,597.19
  6. Step 6: Final answer
    x = 375,695.92

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