Home / 282,339.50-423,478.26-82,661.85

Finding the Fourth Proportional to 282,339.50, 423,478.26 and 82,661.85

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Solution

The fourth proportional to 282,339.50, 423,478.26 and 82,661.85 is: 123,983.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,339.50 : 423,478.26 = 82,661.85 : x
  2. Step 2: Convert to fraction form
    282,339.50/423,478.26 = 82,661.85/x
  3. Step 3: Cross multiply
    282,339.50x = 423,478.26 × 82,661.85
  4. Step 4: Simplify right side
    282,339.50x = 35,005,496,406.38
  5. Step 5: Solve for x
    x = 35,005,496,406.38/282,339.50
  6. Step 6: Final answer
    x = 123,983.70

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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.