Home / 254,887.20-382,330.80-170,906.40

Finding the Fourth Proportional to 254,887.20, 382,330.80 and 170,906.40

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Solution

The fourth proportional to 254,887.20, 382,330.80 and 170,906.40 is: 256,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,887.20 : 382,330.80 = 170,906.40 : x
  2. Step 2: Convert to fraction form
    254,887.20/382,330.80 = 170,906.40/x
  3. Step 3: Cross multiply
    254,887.20x = 382,330.80 × 170,906.40
  4. Step 4: Simplify right side
    254,887.20x = 65,342,780,637.12
  5. Step 5: Solve for x
    x = 65,342,780,637.12/254,887.20
  6. Step 6: Final answer
    x = 256,359.60

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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.