Home / 312,837.27-431,715.87-169,597.28

Finding the Fourth Proportional to 312,837.27, 431,715.87 and 169,597.28

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Solution

The fourth proportional to 312,837.27, 431,715.87 and 169,597.28 is: 234,044.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,837.27 : 431,715.87 = 169,597.28 : x
  2. Step 2: Convert to fraction form
    312,837.27/431,715.87 = 169,597.28/x
  3. Step 3: Cross multiply
    312,837.27x = 431,715.87 × 169,597.28
  4. Step 4: Simplify right side
    312,837.27x = 73,217,835,126.25
  5. Step 5: Solve for x
    x = 73,217,835,126.25/312,837.27
  6. Step 6: Final answer
    x = 234,044.48

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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.