Home / 316,976.72-437,426.97-173,736.32

Finding the Fourth Proportional to 316,976.72, 437,426.97 and 173,736.32

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Solution

The fourth proportional to 316,976.72, 437,426.97 and 173,736.32 is: 239,755.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,976.72 : 437,426.97 = 173,736.32 : x
  2. Step 2: Convert to fraction form
    316,976.72/437,426.97 = 173,736.32/x
  3. Step 3: Cross multiply
    316,976.72x = 437,426.97 × 173,736.32
  4. Step 4: Simplify right side
    316,976.72x = 75,996,952,695.78
  5. Step 5: Solve for x
    x = 75,996,952,695.78/316,976.72
  6. Step 6: Final answer
    x = 239,755.63

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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.