Home / 278,896.62-384,877.17-151,572.24

Finding the Fourth Proportional to 278,896.62, 384,877.17 and 151,572.24

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Solution

The fourth proportional to 278,896.62, 384,877.17 and 151,572.24 is: 209,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,896.62 : 384,877.17 = 151,572.24 : x
  2. Step 2: Convert to fraction form
    278,896.62/384,877.17 = 151,572.24/x
  3. Step 3: Cross multiply
    278,896.62x = 384,877.17 × 151,572.24
  4. Step 4: Simplify right side
    278,896.62x = 58,336,694,781.76
  5. Step 5: Solve for x
    x = 58,336,694,781.76/278,896.62
  6. Step 6: Final answer
    x = 209,169.60

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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.