Home / 278,974.83-384,977.16-158,127.24

Finding the Fourth Proportional to 278,974.83, 384,977.16 and 158,127.24

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Solution

The fourth proportional to 278,974.83, 384,977.16 and 158,127.24 is: 218,211.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,974.83 : 384,977.16 = 158,127.24 : x
  2. Step 2: Convert to fraction form
    278,974.83/384,977.16 = 158,127.24/x
  3. Step 3: Cross multiply
    278,974.83x = 384,977.16 × 158,127.24
  4. Step 4: Simplify right side
    278,974.83x = 60,875,375,773.84
  5. Step 5: Solve for x
    x = 60,875,375,773.84/278,974.83
  6. Step 6: Final answer
    x = 218,211.00

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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.