Home / 282,342.20-389,521.11-161,418.52

Finding the Fourth Proportional to 282,342.20, 389,521.11 and 161,418.52

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Solution

The fourth proportional to 282,342.20, 389,521.11 and 161,418.52 is: 222,694.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,342.20 : 389,521.11 = 161,418.52 : x
  2. Step 2: Convert to fraction form
    282,342.20/389,521.11 = 161,418.52/x
  3. Step 3: Cross multiply
    282,342.20x = 389,521.11 × 161,418.52
  4. Step 4: Simplify right side
    282,342.20x = 62,875,921,084.96
  5. Step 5: Solve for x
    x = 62,875,921,084.96/282,342.20
  6. Step 6: Final answer
    x = 222,694.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.