Home / 278,324.55-384,062.04-157,474.98

Finding the Fourth Proportional to 278,324.55, 384,062.04 and 157,474.98

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Solution

The fourth proportional to 278,324.55, 384,062.04 and 157,474.98 is: 217,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,324.55 : 384,062.04 = 157,474.98 : x
  2. Step 2: Convert to fraction form
    278,324.55/384,062.04 = 157,474.98/x
  3. Step 3: Cross multiply
    278,324.55x = 384,062.04 × 157,474.98
  4. Step 4: Simplify right side
    278,324.55x = 60,480,162,067.76
  5. Step 5: Solve for x
    x = 60,480,162,067.76/278,324.55
  6. Step 6: Final answer
    x = 217,300.85

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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.