Home / 657,309.27-986,072.87-230,734.45

Finding the Fourth Proportional to 657,309.27, 986,072.87 and 230,734.45

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Solution

The fourth proportional to 657,309.27, 986,072.87 and 230,734.45 is: 346,139.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,309.27 : 986,072.87 = 230,734.45 : x
  2. Step 2: Convert to fraction form
    657,309.27/986,072.87 = 230,734.45/x
  3. Step 3: Cross multiply
    657,309.27x = 986,072.87 × 230,734.45
  4. Step 4: Simplify right side
    657,309.27x = 227,520,981,319.37
  5. Step 5: Solve for x
    x = 227,520,981,319.37/657,309.27
  6. Step 6: Final answer
    x = 346,139.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.