Home / 325,528.20-488,365.20-125,830.80

Finding the Fourth Proportional to 325,528.20, 488,365.20 and 125,830.80

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Solution

The fourth proportional to 325,528.20, 488,365.20 and 125,830.80 is: 188,774.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,528.20 : 488,365.20 = 125,830.80 : x
  2. Step 2: Convert to fraction form
    325,528.20/488,365.20 = 125,830.80/x
  3. Step 3: Cross multiply
    325,528.20x = 488,365.20 × 125,830.80
  4. Step 4: Simplify right side
    325,528.20x = 61,451,383,808.16
  5. Step 5: Solve for x
    x = 61,451,383,808.16/325,528.20
  6. Step 6: Final answer
    x = 188,774.38

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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.