Home / 276,742.80-415,114.20-158,426.10

Finding the Fourth Proportional to 276,742.80, 415,114.20 and 158,426.10

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Solution

The fourth proportional to 276,742.80, 415,114.20 and 158,426.10 is: 237,639.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,742.80 : 415,114.20 = 158,426.10 : x
  2. Step 2: Convert to fraction form
    276,742.80/415,114.20 = 158,426.10/x
  3. Step 3: Cross multiply
    276,742.80x = 415,114.20 × 158,426.10
  4. Step 4: Simplify right side
    276,742.80x = 65,764,923,760.62
  5. Step 5: Solve for x
    x = 65,764,923,760.62/276,742.80
  6. Step 6: Final answer
    x = 237,639.15

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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.