Home / 326,824.21-490,264.55-90,166.89

Finding the Fourth Proportional to 326,824.21, 490,264.55 and 90,166.89

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Solution

The fourth proportional to 326,824.21, 490,264.55 and 90,166.89 is: 135,258.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,824.21 : 490,264.55 = 90,166.89 : x
  2. Step 2: Convert to fraction form
    326,824.21/490,264.55 = 90,166.89/x
  3. Step 3: Cross multiply
    326,824.21x = 490,264.55 × 90,166.89
  4. Step 4: Simplify right side
    326,824.21x = 44,205,626,848.59
  5. Step 5: Solve for x
    x = 44,205,626,848.59/326,824.21
  6. Step 6: Final answer
    x = 135,258.12

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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.