Home / 312,440.22-431,165.25-169,196.94

Finding the Fourth Proportional to 312,440.22, 431,165.25 and 169,196.94

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Solution

The fourth proportional to 312,440.22, 431,165.25 and 169,196.94 is: 233,490.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,440.22 : 431,165.25 = 169,196.94 : x
  2. Step 2: Convert to fraction form
    312,440.22/431,165.25 = 169,196.94/x
  3. Step 3: Cross multiply
    312,440.22x = 431,165.25 × 169,196.94
  4. Step 4: Simplify right side
    312,440.22x = 72,951,840,934.34
  5. Step 5: Solve for x
    x = 72,951,840,934.34/312,440.22
  6. Step 6: Final answer
    x = 233,490.56

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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.