Home / 318,084.57-438,951.78-174,841.53

Finding the Fourth Proportional to 318,084.57, 438,951.78 and 174,841.53

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Solution

The fourth proportional to 318,084.57, 438,951.78 and 174,841.53 is: 241,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,084.57 : 438,951.78 = 174,841.53 : x
  2. Step 2: Convert to fraction form
    318,084.57/438,951.78 = 174,841.53/x
  3. Step 3: Cross multiply
    318,084.57x = 438,951.78 × 174,841.53
  4. Step 4: Simplify right side
    318,084.57x = 76,747,000,811.42
  5. Step 5: Solve for x
    x = 76,747,000,811.42/318,084.57
  6. Step 6: Final answer
    x = 241,278.60

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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.