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Finding the Fourth Proportional to 276,616.60, 414,924.90 and 239,218.90

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Solution

The fourth proportional to 276,616.60, 414,924.90 and 239,218.90 is: 358,828.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,616.60 : 414,924.90 = 239,218.90 : x
  2. Step 2: Convert to fraction form
    276,616.60/414,924.90 = 239,218.90/x
  3. Step 3: Cross multiply
    276,616.60x = 414,924.90 × 239,218.90
  4. Step 4: Simplify right side
    276,616.60x = 99,257,878,160.61
  5. Step 5: Solve for x
    x = 99,257,878,160.61/276,616.60
  6. Step 6: Final answer
    x = 358,828.35

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Similar ratio
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1.5x scale

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.