Home / 278,472.22-384,292.10-151,147.87

Finding the Fourth Proportional to 278,472.22, 384,292.10 and 151,147.87

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Solution

The fourth proportional to 278,472.22, 384,292.10 and 151,147.87 is: 208,584.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,472.22 : 384,292.10 = 151,147.87 : x
  2. Step 2: Convert to fraction form
    278,472.22/384,292.10 = 151,147.87/x
  3. Step 3: Cross multiply
    278,472.22x = 384,292.10 × 151,147.87
  4. Step 4: Simplify right side
    278,472.22x = 58,084,932,372.83
  5. Step 5: Solve for x
    x = 58,084,932,372.83/278,472.22
  6. Step 6: Final answer
    x = 208,584.30

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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.