Home / 278,700.06-417,651.57-222,710.43

Finding the Fourth Proportional to 278,700.06, 417,651.57 and 222,710.43

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Solution

The fourth proportional to 278,700.06, 417,651.57 and 222,710.43 is: 333,747.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,700.06 : 417,651.57 = 222,710.43 : x
  2. Step 2: Convert to fraction form
    278,700.06/417,651.57 = 222,710.43/x
  3. Step 3: Cross multiply
    278,700.06x = 417,651.57 × 222,710.43
  4. Step 4: Simplify right side
    278,700.06x = 93,015,360,744.88
  5. Step 5: Solve for x
    x = 93,015,360,744.88/278,700.06
  6. Step 6: Final answer
    x = 333,747.19

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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.