Home / 276,688.20-415,032.30-227,480.70

Finding the Fourth Proportional to 276,688.20, 415,032.30 and 227,480.70

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Solution

The fourth proportional to 276,688.20, 415,032.30 and 227,480.70 is: 341,221.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,688.20 : 415,032.30 = 227,480.70 : x
  2. Step 2: Convert to fraction form
    276,688.20/415,032.30 = 227,480.70/x
  3. Step 3: Cross multiply
    276,688.20x = 415,032.30 × 227,480.70
  4. Step 4: Simplify right side
    276,688.20x = 94,411,838,126.61
  5. Step 5: Solve for x
    x = 94,411,838,126.61/276,688.20
  6. Step 6: Final answer
    x = 341,221.05

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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.