Home / 278,206.01-417,339.68-88,622.27

Finding the Fourth Proportional to 278,206.01, 417,339.68 and 88,622.27

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Solution

The fourth proportional to 278,206.01, 417,339.68 and 88,622.27 is: 132,943.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,206.01 : 417,339.68 = 88,622.27 : x
  2. Step 2: Convert to fraction form
    278,206.01/417,339.68 = 88,622.27/x
  3. Step 3: Cross multiply
    278,206.01x = 417,339.68 × 88,622.27
  4. Step 4: Simplify right side
    278,206.01x = 36,985,587,272.86
  5. Step 5: Solve for x
    x = 36,985,587,272.86/278,206.01
  6. Step 6: Final answer
    x = 132,943.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.