Home / 282,024.76-422,991.80-82,298.35

Finding the Fourth Proportional to 282,024.76, 422,991.80 and 82,298.35

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Solution

The fourth proportional to 282,024.76, 422,991.80 and 82,298.35 is: 123,434.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,024.76 : 422,991.80 = 82,298.35 : x
  2. Step 2: Convert to fraction form
    282,024.76/422,991.80 = 82,298.35/x
  3. Step 3: Cross multiply
    282,024.76x = 422,991.80 × 82,298.35
  4. Step 4: Simplify right side
    282,024.76x = 34,811,527,203.53
  5. Step 5: Solve for x
    x = 34,811,527,203.53/282,024.76
  6. Step 6: Final answer
    x = 123,434.29

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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.