Home / 326,823.53-490,235.68-102,185.15

Finding the Fourth Proportional to 326,823.53, 490,235.68 and 102,185.15

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Solution

The fourth proportional to 326,823.53, 490,235.68 and 102,185.15 is: 153,277.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,823.53 : 490,235.68 = 102,185.15 : x
  2. Step 2: Convert to fraction form
    326,823.53/490,235.68 = 102,185.15/x
  3. Step 3: Cross multiply
    326,823.53x = 490,235.68 × 102,185.15
  4. Step 4: Simplify right side
    326,823.53x = 50,094,806,496.15
  5. Step 5: Solve for x
    x = 50,094,806,496.15/326,823.53
  6. Step 6: Final answer
    x = 153,277.85

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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.