Home / 256,989.28-354,480.66-206,124.06

Finding the Fourth Proportional to 256,989.28, 354,480.66 and 206,124.06

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Solution

The fourth proportional to 256,989.28, 354,480.66 and 206,124.06 is: 284,319.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,989.28 : 354,480.66 = 206,124.06 : x
  2. Step 2: Convert to fraction form
    256,989.28/354,480.66 = 206,124.06/x
  3. Step 3: Cross multiply
    256,989.28x = 354,480.66 × 206,124.06
  4. Step 4: Simplify right side
    256,989.28x = 73,066,992,830.68
  5. Step 5: Solve for x
    x = 73,066,992,830.68/256,989.28
  6. Step 6: Final answer
    x = 284,319.22

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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.