Home / 256,836.48-354,464.28-149,411.04

Finding the Fourth Proportional to 256,836.48, 354,464.28 and 149,411.04

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Solution

The fourth proportional to 256,836.48, 354,464.28 and 149,411.04 is: 206,204.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,836.48 : 354,464.28 = 149,411.04 : x
  2. Step 2: Convert to fraction form
    256,836.48/354,464.28 = 149,411.04/x
  3. Step 3: Cross multiply
    256,836.48x = 354,464.28 × 149,411.04
  4. Step 4: Simplify right side
    256,836.48x = 52,960,876,717.65
  5. Step 5: Solve for x
    x = 52,960,876,717.65/256,836.48
  6. Step 6: Final answer
    x = 206,204.65

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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.