Home / 276,874.28-382,094.51-156,008.91

Finding the Fourth Proportional to 276,874.28, 382,094.51 and 156,008.91

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Solution

The fourth proportional to 276,874.28, 382,094.51 and 156,008.91 is: 215,296.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,874.28 : 382,094.51 = 156,008.91 : x
  2. Step 2: Convert to fraction form
    276,874.28/382,094.51 = 156,008.91/x
  3. Step 3: Cross multiply
    276,874.28x = 382,094.51 × 156,008.91
  4. Step 4: Simplify right side
    276,874.28x = 59,610,147,242.04
  5. Step 5: Solve for x
    x = 59,610,147,242.04/276,874.28
  6. Step 6: Final answer
    x = 215,296.81

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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.