Home / 276,938.88-382,178.10-156,057

Finding the Fourth Proportional to 276,938.88, 382,178.10 and 156,057

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Solution

The fourth proportional to 276,938.88, 382,178.10 and 156,057 is: 215,360.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,938.88 : 382,178.10 = 156,057 : x
  2. Step 2: Convert to fraction form
    276,938.88/382,178.10 = 156,057/x
  3. Step 3: Cross multiply
    276,938.88x = 382,178.10 × 156,057
  4. Step 4: Simplify right side
    276,938.88x = 59,641,567,751.70
  5. Step 5: Solve for x
    x = 59,641,567,751.70/276,938.88
  6. Step 6: Final answer
    x = 215,360.04

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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.