Home / 316,976.97-437,427.32-173,736.57

Finding the Fourth Proportional to 316,976.97, 437,427.32 and 173,736.57

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Solution

The fourth proportional to 316,976.97, 437,427.32 and 173,736.57 is: 239,755.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,976.97 : 437,427.32 = 173,736.57 : x
  2. Step 2: Convert to fraction form
    316,976.97/437,427.32 = 173,736.57/x
  3. Step 3: Cross multiply
    316,976.97x = 437,427.32 × 173,736.57
  4. Step 4: Simplify right side
    316,976.97x = 75,997,121,332.41
  5. Step 5: Solve for x
    x = 75,997,121,332.41/316,976.97
  6. Step 6: Final answer
    x = 239,755.97

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1.5x scale

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.