Home / 326,823.96-490,264.18-90,166.64

Finding the Fourth Proportional to 326,823.96, 490,264.18 and 90,166.64

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Solution

The fourth proportional to 326,823.96, 490,264.18 and 90,166.64 is: 135,257.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,823.96 : 490,264.18 = 90,166.64 : x
  2. Step 2: Convert to fraction form
    326,823.96/490,264.18 = 90,166.64/x
  3. Step 3: Cross multiply
    326,823.96x = 490,264.18 × 90,166.64
  4. Step 4: Simplify right side
    326,823.96x = 44,205,473,822.96
  5. Step 5: Solve for x
    x = 44,205,473,822.96/326,823.96
  6. Step 6: Final answer
    x = 135,257.75

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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.