Home / 325,972.20-488,958.30-157,621.80

Finding the Fourth Proportional to 325,972.20, 488,958.30 and 157,621.80

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Solution

The fourth proportional to 325,972.20, 488,958.30 and 157,621.80 is: 236,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,972.20 : 488,958.30 = 157,621.80 : x
  2. Step 2: Convert to fraction form
    325,972.20/488,958.30 = 157,621.80/x
  3. Step 3: Cross multiply
    325,972.20x = 488,958.30 × 157,621.80
  4. Step 4: Simplify right side
    325,972.20x = 77,070,487,370.94
  5. Step 5: Solve for x
    x = 77,070,487,370.94/325,972.20
  6. Step 6: Final answer
    x = 236,432.70

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1.5x scale

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.