Home / 282,052.28-389,229.87-152,990.43

Finding the Fourth Proportional to 282,052.28, 389,229.87 and 152,990.43

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Solution

The fourth proportional to 282,052.28, 389,229.87 and 152,990.43 is: 211,125.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,052.28 : 389,229.87 = 152,990.43 : x
  2. Step 2: Convert to fraction form
    282,052.28/389,229.87 = 152,990.43/x
  3. Step 3: Cross multiply
    282,052.28x = 389,229.87 × 152,990.43
  4. Step 4: Simplify right side
    282,052.28x = 59,548,443,233.99
  5. Step 5: Solve for x
    x = 59,548,443,233.99/282,052.28
  6. Step 6: Final answer
    x = 211,125.56

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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.