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Finding the Fourth Proportional to 216,034.65, 323,468.78 and 169,378.65

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Solution

The fourth proportional to 216,034.65, 323,468.78 and 169,378.65 is: 253,610.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,034.65 : 323,468.78 = 169,378.65 : x
  2. Step 2: Convert to fraction form
    216,034.65/323,468.78 = 169,378.65/x
  3. Step 3: Cross multiply
    216,034.65x = 323,468.78 × 169,378.65
  4. Step 4: Simplify right side
    216,034.65x = 54,788,704,426.65
  5. Step 5: Solve for x
    x = 54,788,704,426.65/216,034.65
  6. Step 6: Final answer
    x = 253,610.73

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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.