Home / 311,471.04-467,264.80-145,259.04

Finding the Fourth Proportional to 311,471.04, 467,264.80 and 145,259.04

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Solution

The fourth proportional to 311,471.04, 467,264.80 and 145,259.04 is: 217,915.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,471.04 : 467,264.80 = 145,259.04 : x
  2. Step 2: Convert to fraction form
    311,471.04/467,264.80 = 145,259.04/x
  3. Step 3: Cross multiply
    311,471.04x = 467,264.80 × 145,259.04
  4. Step 4: Simplify right side
    311,471.04x = 67,874,436,273.79
  5. Step 5: Solve for x
    x = 67,874,436,273.79/311,471.04
  6. Step 6: Final answer
    x = 217,915.72

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1.5x scale

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.