Home / 252,278.34-378,392.94-102,527.61

Finding the Fourth Proportional to 252,278.34, 378,392.94 and 102,527.61

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Solution

The fourth proportional to 252,278.34, 378,392.94 and 102,527.61 is: 153,781.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,278.34 : 378,392.94 = 102,527.61 : x
  2. Step 2: Convert to fraction form
    252,278.34/378,392.94 = 102,527.61/x
  3. Step 3: Cross multiply
    252,278.34x = 378,392.94 × 102,527.61
  4. Step 4: Simplify right side
    252,278.34x = 38,795,723,779.07
  5. Step 5: Solve for x
    x = 38,795,723,779.07/252,278.34
  6. Step 6: Final answer
    x = 153,781.43

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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.