Home / 425,579.29-587,299.15-231,987.37

Finding the Fourth Proportional to 425,579.29, 587,299.15 and 231,987.37

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Solution

The fourth proportional to 425,579.29, 587,299.15 and 231,987.37 is: 320,142.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,579.29 : 587,299.15 = 231,987.37 : x
  2. Step 2: Convert to fraction form
    425,579.29/587,299.15 = 231,987.37/x
  3. Step 3: Cross multiply
    425,579.29x = 587,299.15 × 231,987.37
  4. Step 4: Simplify right side
    425,579.29x = 136,245,984,051.80
  5. Step 5: Solve for x
    x = 136,245,984,051.80/425,579.29
  6. Step 6: Final answer
    x = 320,142.42

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1.5x scale

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.