Home / 425,452.85-587,137.23-234,478.55

Finding the Fourth Proportional to 425,452.85, 587,137.23 and 234,478.55

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Solution

The fourth proportional to 425,452.85, 587,137.23 and 234,478.55 is: 323,587.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,452.85 : 587,137.23 = 234,478.55 : x
  2. Step 2: Convert to fraction form
    425,452.85/587,137.23 = 234,478.55/x
  3. Step 3: Cross multiply
    425,452.85x = 587,137.23 × 234,478.55
  4. Step 4: Simplify right side
    425,452.85x = 137,671,083,405.73
  5. Step 5: Solve for x
    x = 137,671,083,405.73/425,452.85
  6. Step 6: Final answer
    x = 323,587.17

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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.