Home / 308,867.40-463,301.10-131,380.20

Finding the Fourth Proportional to 308,867.40, 463,301.10 and 131,380.20

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Solution

The fourth proportional to 308,867.40, 463,301.10 and 131,380.20 is: 197,070.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,867.40 : 463,301.10 = 131,380.20 : x
  2. Step 2: Convert to fraction form
    308,867.40/463,301.10 = 131,380.20/x
  3. Step 3: Cross multiply
    308,867.40x = 463,301.10 × 131,380.20
  4. Step 4: Simplify right side
    308,867.40x = 60,868,591,178.22
  5. Step 5: Solve for x
    x = 60,868,591,178.22/308,867.40
  6. Step 6: Final answer
    x = 197,070.30

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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.