Home / 326,327.13-489,508.92-89,664.57

Finding the Fourth Proportional to 326,327.13, 489,508.92 and 89,664.57

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Solution

The fourth proportional to 326,327.13, 489,508.92 and 89,664.57 is: 134,501.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,327.13 : 489,508.92 = 89,664.57 : x
  2. Step 2: Convert to fraction form
    326,327.13/489,508.92 = 89,664.57/x
  3. Step 3: Cross multiply
    326,327.13x = 489,508.92 × 89,664.57
  4. Step 4: Simplify right side
    326,327.13x = 43,891,606,822.96
  5. Step 5: Solve for x
    x = 43,891,606,822.96/326,327.13
  6. Step 6: Final answer
    x = 134,501.86

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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.