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Finding the Fourth Proportional to 221,374.17, 305,468.24 and 125,882.87

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Solution

The fourth proportional to 221,374.17, 305,468.24 and 125,882.87 is: 173,702.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,374.17 : 305,468.24 = 125,882.87 : x
  2. Step 2: Convert to fraction form
    221,374.17/305,468.24 = 125,882.87/x
  3. Step 3: Cross multiply
    221,374.17x = 305,468.24 × 125,882.87
  4. Step 4: Simplify right side
    221,374.17x = 38,453,216,588.29
  5. Step 5: Solve for x
    x = 38,453,216,588.29/221,374.17
  6. Step 6: Final answer
    x = 173,702.36

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1.5x scale

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.