Home / 325,680.20-488,909.10-183,638.60

Finding the Fourth Proportional to 325,680.20, 488,909.10 and 183,638.60

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Solution

The fourth proportional to 325,680.20, 488,909.10 and 183,638.60 is: 275,677.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,680.20 : 488,909.10 = 183,638.60 : x
  2. Step 2: Convert to fraction form
    325,680.20/488,909.10 = 183,638.60/x
  3. Step 3: Cross multiply
    325,680.20x = 488,909.10 × 183,638.60
  4. Step 4: Simplify right side
    325,680.20x = 89,782,582,651.26
  5. Step 5: Solve for x
    x = 89,782,582,651.26/325,680.20
  6. Step 6: Final answer
    x = 275,677.13

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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.