Home / 278,600.06-384,469.54-151,275.62

Finding the Fourth Proportional to 278,600.06, 384,469.54 and 151,275.62

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Solution

The fourth proportional to 278,600.06, 384,469.54 and 151,275.62 is: 208,761.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,600.06 : 384,469.54 = 151,275.62 : x
  2. Step 2: Convert to fraction form
    278,600.06/384,469.54 = 151,275.62/x
  3. Step 3: Cross multiply
    278,600.06x = 384,469.54 × 151,275.62
  4. Step 4: Simplify right side
    278,600.06x = 58,160,868,034.61
  5. Step 5: Solve for x
    x = 58,160,868,034.61/278,600.06
  6. Step 6: Final answer
    x = 208,761.15

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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.