Home / 326,823.83-490,263.99-90,166.52

Finding the Fourth Proportional to 326,823.83, 490,263.99 and 90,166.52

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Solution

The fourth proportional to 326,823.83, 490,263.99 and 90,166.52 is: 135,257.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,823.83 : 490,263.99 = 90,166.52 : x
  2. Step 2: Convert to fraction form
    326,823.83/490,263.99 = 90,166.52/x
  3. Step 3: Cross multiply
    326,823.83x = 490,263.99 × 90,166.52
  4. Step 4: Simplify right side
    326,823.83x = 44,205,395,408.29
  5. Step 5: Solve for x
    x = 44,205,395,408.29/326,823.83
  6. Step 6: Final answer
    x = 135,257.57

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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.