Home / 326,376.28-489,554.11-89,716.96

Finding the Fourth Proportional to 326,376.28, 489,554.11 and 89,716.96

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Solution

The fourth proportional to 326,376.28, 489,554.11 and 89,716.96 is: 134,572.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,376.28 : 489,554.11 = 89,716.96 : x
  2. Step 2: Convert to fraction form
    326,376.28/489,554.11 = 89,716.96/x
  3. Step 3: Cross multiply
    326,376.28x = 489,554.11 × 89,716.96
  4. Step 4: Simplify right side
    326,376.28x = 43,921,306,504.71
  5. Step 5: Solve for x
    x = 43,921,306,504.71/326,376.28
  6. Step 6: Final answer
    x = 134,572.61

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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.