Home / 256,997.16-354,693.20-148,080.65

Finding the Fourth Proportional to 256,997.16, 354,693.20 and 148,080.65

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Solution

The fourth proportional to 256,997.16, 354,693.20 and 148,080.65 is: 204,372.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,997.16 : 354,693.20 = 148,080.65 : x
  2. Step 2: Convert to fraction form
    256,997.16/354,693.20 = 148,080.65/x
  3. Step 3: Cross multiply
    256,997.16x = 354,693.20 × 148,080.65
  4. Step 4: Simplify right side
    256,997.16x = 52,523,197,092.71
  5. Step 5: Solve for x
    x = 52,523,197,092.71/256,997.16
  6. Step 6: Final answer
    x = 204,372.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.