Home / 276,631.20-414,946.80-267,008.40

Finding the Fourth Proportional to 276,631.20, 414,946.80 and 267,008.40

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Solution

The fourth proportional to 276,631.20, 414,946.80 and 267,008.40 is: 400,512.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,631.20 : 414,946.80 = 267,008.40 : x
  2. Step 2: Convert to fraction form
    276,631.20/414,946.80 = 267,008.40/x
  3. Step 3: Cross multiply
    276,631.20x = 414,946.80 × 267,008.40
  4. Step 4: Simplify right side
    276,631.20x = 110,794,281,153.12
  5. Step 5: Solve for x
    x = 110,794,281,153.12/276,631.20
  6. Step 6: Final answer
    x = 400,512.60

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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.