Home / 278,508.52-384,404.96-176,674.51

Finding the Fourth Proportional to 278,508.52, 384,404.96 and 176,674.51

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Solution

The fourth proportional to 278,508.52, 384,404.96 and 176,674.51 is: 243,850.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,508.52 : 384,404.96 = 176,674.51 : x
  2. Step 2: Convert to fraction form
    278,508.52/384,404.96 = 176,674.51/x
  3. Step 3: Cross multiply
    278,508.52x = 384,404.96 × 176,674.51
  4. Step 4: Simplify right side
    278,508.52x = 67,914,555,144.17
  5. Step 5: Solve for x
    x = 67,914,555,144.17/278,508.52
  6. Step 6: Final answer
    x = 243,850.91

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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.