Home / 305,073.14-457,612.41-125,257.46

Finding the Fourth Proportional to 305,073.14, 457,612.41 and 125,257.46

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Solution

The fourth proportional to 305,073.14, 457,612.41 and 125,257.46 is: 187,887.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,073.14 : 457,612.41 = 125,257.46 : x
  2. Step 2: Convert to fraction form
    305,073.14/457,612.41 = 125,257.46/x
  3. Step 3: Cross multiply
    305,073.14x = 457,612.41 × 125,257.46
  4. Step 4: Simplify right side
    305,073.14x = 57,319,368,141.08
  5. Step 5: Solve for x
    x = 57,319,368,141.08/305,073.14
  6. Step 6: Final answer
    x = 187,887.30

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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.