Home / 232,321.23-320,701.37-156,971.79

Finding the Fourth Proportional to 232,321.23, 320,701.37 and 156,971.79

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Solution

The fourth proportional to 232,321.23, 320,701.37 and 156,971.79 is: 216,687.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,321.23 : 320,701.37 = 156,971.79 : x
  2. Step 2: Convert to fraction form
    232,321.23/320,701.37 = 156,971.79/x
  3. Step 3: Cross multiply
    232,321.23x = 320,701.37 × 156,971.79
  4. Step 4: Simplify right side
    232,321.23x = 50,341,067,319.49
  5. Step 5: Solve for x
    x = 50,341,067,319.49/232,321.23
  6. Step 6: Final answer
    x = 216,687.33

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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.