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Finding the Fourth Proportional to 276,721.92, 412,720.11 and 234,877.32

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Solution

The fourth proportional to 276,721.92, 412,720.11 and 234,877.32 is: 350,310.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,721.92 : 412,720.11 = 234,877.32 : x
  2. Step 2: Convert to fraction form
    276,721.92/412,720.11 = 234,877.32/x
  3. Step 3: Cross multiply
    276,721.92x = 412,720.11 × 234,877.32
  4. Step 4: Simplify right side
    276,721.92x = 96,938,593,346.91
  5. Step 5: Solve for x
    x = 96,938,593,346.91/276,721.92
  6. Step 6: Final answer
    x = 350,310.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.