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Finding the Fourth Proportional to 276,654.20, 414,981.30 and 267,031.40

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Solution

The fourth proportional to 276,654.20, 414,981.30 and 267,031.40 is: 400,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,654.20 : 414,981.30 = 267,031.40 : x
  2. Step 2: Convert to fraction form
    276,654.20/414,981.30 = 267,031.40/x
  3. Step 3: Cross multiply
    276,654.20x = 414,981.30 × 267,031.40
  4. Step 4: Simplify right side
    276,654.20x = 110,813,037,512.82
  5. Step 5: Solve for x
    x = 110,813,037,512.82/276,654.20
  6. Step 6: Final answer
    x = 400,547.10

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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.