Home / 276,931.20-382,167.47-156,049.34

Finding the Fourth Proportional to 276,931.20, 382,167.47 and 156,049.34

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Solution

The fourth proportional to 276,931.20, 382,167.47 and 156,049.34 is: 215,349.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,931.20 : 382,167.47 = 156,049.34 : x
  2. Step 2: Convert to fraction form
    276,931.20/382,167.47 = 156,049.34/x
  3. Step 3: Cross multiply
    276,931.20x = 382,167.47 × 156,049.34
  4. Step 4: Simplify right side
    276,931.20x = 59,636,979,064.48
  5. Step 5: Solve for x
    x = 59,636,979,064.48/276,931.20
  6. Step 6: Final answer
    x = 215,349.44

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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.