Home / 278,219.23-417,361.95-88,613.01

Finding the Fourth Proportional to 278,219.23, 417,361.95 and 88,613.01

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Solution

The fourth proportional to 278,219.23, 417,361.95 and 88,613.01 is: 132,930.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,219.23 : 417,361.95 = 88,613.01 : x
  2. Step 2: Convert to fraction form
    278,219.23/417,361.95 = 88,613.01/x
  3. Step 3: Cross multiply
    278,219.23x = 417,361.95 × 88,613.01
  4. Step 4: Simplify right side
    278,219.23x = 36,983,698,648.97
  5. Step 5: Solve for x
    x = 36,983,698,648.97/278,219.23
  6. Step 6: Final answer
    x = 132,930.06

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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.