Home / 278,877.24-418,366.08-101,633.04

Finding the Fourth Proportional to 278,877.24, 418,366.08 and 101,633.04

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Solution

The fourth proportional to 278,877.24, 418,366.08 and 101,633.04 is: 152,467.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,877.24 : 418,366.08 = 101,633.04 : x
  2. Step 2: Convert to fraction form
    278,877.24/418,366.08 = 101,633.04/x
  3. Step 3: Cross multiply
    278,877.24x = 418,366.08 × 101,633.04
  4. Step 4: Simplify right side
    278,877.24x = 42,519,816,543.28
  5. Step 5: Solve for x
    x = 42,519,816,543.28/278,877.24
  6. Step 6: Final answer
    x = 152,467.86

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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.