Home / 252,328.68-378,566.06-74,839.93

Finding the Fourth Proportional to 252,328.68, 378,566.06 and 74,839.93

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Solution

The fourth proportional to 252,328.68, 378,566.06 and 74,839.93 is: 112,281.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,328.68 : 378,566.06 = 74,839.93 : x
  2. Step 2: Convert to fraction form
    252,328.68/378,566.06 = 74,839.93/x
  3. Step 3: Cross multiply
    252,328.68x = 378,566.06 × 74,839.93
  4. Step 4: Simplify right side
    252,328.68x = 28,331,856,110.16
  5. Step 5: Solve for x
    x = 28,331,856,110.16/252,328.68
  6. Step 6: Final answer
    x = 112,281.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.