Home / 326,824.22-490,264.57-90,166.90

Finding the Fourth Proportional to 326,824.22, 490,264.57 and 90,166.90

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Solution

The fourth proportional to 326,824.22, 490,264.57 and 90,166.90 is: 135,258.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,824.22 : 490,264.57 = 90,166.90 : x
  2. Step 2: Convert to fraction form
    326,824.22/490,264.57 = 90,166.90/x
  3. Step 3: Cross multiply
    326,824.22x = 490,264.57 × 90,166.90
  4. Step 4: Simplify right side
    326,824.22x = 44,205,635,137.75
  5. Step 5: Solve for x
    x = 44,205,635,137.75/326,824.22
  6. Step 6: Final answer
    x = 135,258.14

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1.5x scale

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.