Home / 326,823.85-490,264.02-90,166.53

Finding the Fourth Proportional to 326,823.85, 490,264.02 and 90,166.53

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Solution

The fourth proportional to 326,823.85, 490,264.02 and 90,166.53 is: 135,257.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,823.85 : 490,264.02 = 90,166.53 : x
  2. Step 2: Convert to fraction form
    326,823.85/490,264.02 = 90,166.53/x
  3. Step 3: Cross multiply
    326,823.85x = 490,264.02 × 90,166.53
  4. Step 4: Simplify right side
    326,823.85x = 44,205,407,305.74
  5. Step 5: Solve for x
    x = 44,205,407,305.74/326,823.85
  6. Step 6: Final answer
    x = 135,257.59

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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.