Home / 278,844.48-418,232.16-165,060

Finding the Fourth Proportional to 278,844.48, 418,232.16 and 165,060

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Solution

The fourth proportional to 278,844.48, 418,232.16 and 165,060 is: 247,569.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,844.48 : 418,232.16 = 165,060 : x
  2. Step 2: Convert to fraction form
    278,844.48/418,232.16 = 165,060/x
  3. Step 3: Cross multiply
    278,844.48x = 418,232.16 × 165,060
  4. Step 4: Simplify right side
    278,844.48x = 69,033,400,329.60
  5. Step 5: Solve for x
    x = 69,033,400,329.60/278,844.48
  6. Step 6: Final answer
    x = 247,569.54

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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.