Home / 256,480.43-354,031.56-176,173.79

Finding the Fourth Proportional to 256,480.43, 354,031.56 and 176,173.79

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Solution

The fourth proportional to 256,480.43, 354,031.56 and 176,173.79 is: 243,180.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,480.43 : 354,031.56 = 176,173.79 : x
  2. Step 2: Convert to fraction form
    256,480.43/354,031.56 = 176,173.79/x
  3. Step 3: Cross multiply
    256,480.43x = 354,031.56 × 176,173.79
  4. Step 4: Simplify right side
    256,480.43x = 62,371,079,934.65
  5. Step 5: Solve for x
    x = 62,371,079,934.65/256,480.43
  6. Step 6: Final answer
    x = 243,180.66

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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.