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Finding the Fourth Proportional to 276,155.10, 414,228.45 and 124,244.88

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Solution

The fourth proportional to 276,155.10, 414,228.45 and 124,244.88 is: 186,365.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,155.10 : 414,228.45 = 124,244.88 : x
  2. Step 2: Convert to fraction form
    276,155.10/414,228.45 = 124,244.88/x
  3. Step 3: Cross multiply
    276,155.10x = 414,228.45 × 124,244.88
  4. Step 4: Simplify right side
    276,155.10x = 51,465,764,062.84
  5. Step 5: Solve for x
    x = 51,465,764,062.84/276,155.10
  6. Step 6: Final answer
    x = 186,365.43

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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.