Home / 276,897.27-382,118.40-149,572.92

Finding the Fourth Proportional to 276,897.27, 382,118.40 and 149,572.92

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Solution

The fourth proportional to 276,897.27, 382,118.40 and 149,572.92 is: 206,410.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,897.27 : 382,118.40 = 149,572.92 : x
  2. Step 2: Convert to fraction form
    276,897.27/382,118.40 = 149,572.92/x
  3. Step 3: Cross multiply
    276,897.27x = 382,118.40 × 149,572.92
  4. Step 4: Simplify right side
    276,897.27x = 57,154,564,873.73
  5. Step 5: Solve for x
    x = 57,154,564,873.73/276,897.27
  6. Step 6: Final answer
    x = 206,410.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.