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Finding the Fourth Proportional to 276,612.60, 414,918.90 and 239,214.90

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Solution

The fourth proportional to 276,612.60, 414,918.90 and 239,214.90 is: 358,822.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,612.60 : 414,918.90 = 239,214.90 : x
  2. Step 2: Convert to fraction form
    276,612.60/414,918.90 = 239,214.90/x
  3. Step 3: Cross multiply
    276,612.60x = 414,918.90 × 239,214.90
  4. Step 4: Simplify right side
    276,612.60x = 99,254,783,171.61
  5. Step 5: Solve for x
    x = 99,254,783,171.61/276,612.60
  6. Step 6: Final answer
    x = 358,822.35

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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.