Home / 282,044.04-423,105.66-82,379.08

Finding the Fourth Proportional to 282,044.04, 423,105.66 and 82,379.08

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Solution

The fourth proportional to 282,044.04, 423,105.66 and 82,379.08 is: 123,580.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,044.04 : 423,105.66 = 82,379.08 : x
  2. Step 2: Convert to fraction form
    282,044.04/423,105.66 = 82,379.08/x
  3. Step 3: Cross multiply
    282,044.04x = 423,105.66 × 82,379.08
  4. Step 4: Simplify right side
    282,044.04x = 34,855,055,013.59
  5. Step 5: Solve for x
    x = 34,855,055,013.59/282,044.04
  6. Step 6: Final answer
    x = 123,580.19

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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.