Home / 276,962.28-382,219.08-156,108.60

Finding the Fourth Proportional to 276,962.28, 382,219.08 and 156,108.60

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Solution

The fourth proportional to 276,962.28, 382,219.08 and 156,108.60 is: 215,436.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,962.28 : 382,219.08 = 156,108.60 : x
  2. Step 2: Convert to fraction form
    276,962.28/382,219.08 = 156,108.60/x
  3. Step 3: Cross multiply
    276,962.28x = 382,219.08 × 156,108.60
  4. Step 4: Simplify right side
    276,962.28x = 59,667,685,472.09
  5. Step 5: Solve for x
    x = 59,667,685,472.09/276,962.28
  6. Step 6: Final answer
    x = 215,436.14

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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.