Home / 246,939.28-370,370.31-78,437.43

Finding the Fourth Proportional to 246,939.28, 370,370.31 and 78,437.43

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Solution

The fourth proportional to 246,939.28, 370,370.31 and 78,437.43 is: 117,643.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,939.28 : 370,370.31 = 78,437.43 : x
  2. Step 2: Convert to fraction form
    246,939.28/370,370.31 = 78,437.43/x
  3. Step 3: Cross multiply
    246,939.28x = 370,370.31 × 78,437.43
  4. Step 4: Simplify right side
    246,939.28x = 29,050,895,264.70
  5. Step 5: Solve for x
    x = 29,050,895,264.70/246,939.28
  6. Step 6: Final answer
    x = 117,643.88

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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.