Home / 326,266.14-489,377.34-89,589

Finding the Fourth Proportional to 326,266.14, 489,377.34 and 89,589

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Solution

The fourth proportional to 326,266.14, 489,377.34 and 89,589 is: 134,377.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,266.14 : 489,377.34 = 89,589 : x
  2. Step 2: Convert to fraction form
    326,266.14/489,377.34 = 89,589/x
  3. Step 3: Cross multiply
    326,266.14x = 489,377.34 × 89,589
  4. Step 4: Simplify right side
    326,266.14x = 43,842,826,513.26
  5. Step 5: Solve for x
    x = 43,842,826,513.26/326,266.14
  6. Step 6: Final answer
    x = 134,377.49

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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.