Home / 278,474.48-384,295.17-151,150.10

Finding the Fourth Proportional to 278,474.48, 384,295.17 and 151,150.10

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Solution

The fourth proportional to 278,474.48, 384,295.17 and 151,150.10 is: 208,587.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,474.48 : 384,295.17 = 151,150.10 : x
  2. Step 2: Convert to fraction form
    278,474.48/384,295.17 = 151,150.10/x
  3. Step 3: Cross multiply
    278,474.48x = 384,295.17 × 151,150.10
  4. Step 4: Simplify right side
    278,474.48x = 58,086,253,375.02
  5. Step 5: Solve for x
    x = 58,086,253,375.02/278,474.48
  6. Step 6: Final answer
    x = 208,587.35

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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.