Home / 424,865.85-586,322.33-231,279.13

Finding the Fourth Proportional to 424,865.85, 586,322.33 and 231,279.13

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Solution

The fourth proportional to 424,865.85, 586,322.33 and 231,279.13 is: 319,169.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,865.85 : 586,322.33 = 231,279.13 : x
  2. Step 2: Convert to fraction form
    424,865.85/586,322.33 = 231,279.13/x
  3. Step 3: Cross multiply
    424,865.85x = 586,322.33 × 231,279.13
  4. Step 4: Simplify right side
    424,865.85x = 135,604,115,450.36
  5. Step 5: Solve for x
    x = 135,604,115,450.36/424,865.85
  6. Step 6: Final answer
    x = 319,169.25

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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.