Home / 325,829.60-488,890.20-148,245.20

Finding the Fourth Proportional to 325,829.60, 488,890.20 and 148,245.20

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Solution

The fourth proportional to 325,829.60, 488,890.20 and 148,245.20 is: 222,434.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,829.60 : 488,890.20 = 148,245.20 : x
  2. Step 2: Convert to fraction form
    325,829.60/488,890.20 = 148,245.20/x
  3. Step 3: Cross multiply
    325,829.60x = 488,890.20 × 148,245.20
  4. Step 4: Simplify right side
    325,829.60x = 72,475,625,477.04
  5. Step 5: Solve for x
    x = 72,475,625,477.04/325,829.60
  6. Step 6: Final answer
    x = 222,434.14

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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.