Home / 425,500.22-587,182.57-231,909.62

Finding the Fourth Proportional to 425,500.22, 587,182.57 and 231,909.62

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Solution

The fourth proportional to 425,500.22, 587,182.57 and 231,909.62 is: 320,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,500.22 : 587,182.57 = 231,909.62 : x
  2. Step 2: Convert to fraction form
    425,500.22/587,182.57 = 231,909.62/x
  3. Step 3: Cross multiply
    425,500.22x = 587,182.57 × 231,909.62
  4. Step 4: Simplify right side
    425,500.22x = 136,173,283,163.64
  5. Step 5: Solve for x
    x = 136,173,283,163.64/425,500.22
  6. Step 6: Final answer
    x = 320,031.05

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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.