Home / 278,130.74-417,057.94-88,566.36

Finding the Fourth Proportional to 278,130.74, 417,057.94 and 88,566.36

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Solution

The fourth proportional to 278,130.74, 417,057.94 and 88,566.36 is: 132,805.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,130.74 : 417,057.94 = 88,566.36 : x
  2. Step 2: Convert to fraction form
    278,130.74/417,057.94 = 88,566.36/x
  3. Step 3: Cross multiply
    278,130.74x = 417,057.94 × 88,566.36
  4. Step 4: Simplify right side
    278,130.74x = 36,937,303,654.90
  5. Step 5: Solve for x
    x = 36,937,303,654.90/278,130.74
  6. Step 6: Final answer
    x = 132,805.54

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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.