Home / 325,965.20-488,364.60-201,160.40

Finding the Fourth Proportional to 325,965.20, 488,364.60 and 201,160.40

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Solution

The fourth proportional to 325,965.20, 488,364.60 and 201,160.40 is: 301,380.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,965.20 : 488,364.60 = 201,160.40 : x
  2. Step 2: Convert to fraction form
    325,965.20/488,364.60 = 201,160.40/x
  3. Step 3: Cross multiply
    325,965.20x = 488,364.60 × 201,160.40
  4. Step 4: Simplify right side
    325,965.20x = 98,239,618,281.84
  5. Step 5: Solve for x
    x = 98,239,618,281.84/325,965.20
  6. Step 6: Final answer
    x = 301,380.69

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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.