Home / 325,921.20-488,298.60-201,116.40

Finding the Fourth Proportional to 325,921.20, 488,298.60 and 201,116.40

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Solution

The fourth proportional to 325,921.20, 488,298.60 and 201,116.40 is: 301,314.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,921.20 : 488,298.60 = 201,116.40 : x
  2. Step 2: Convert to fraction form
    325,921.20/488,298.60 = 201,116.40/x
  3. Step 3: Cross multiply
    325,921.20x = 488,298.60 × 201,116.40
  4. Step 4: Simplify right side
    325,921.20x = 98,204,856,557.04
  5. Step 5: Solve for x
    x = 98,204,856,557.04/325,921.20
  6. Step 6: Final answer
    x = 301,314.72

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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.