Home / 321,723.28-482,588.64-97,085.66

Finding the Fourth Proportional to 321,723.28, 482,588.64 and 97,085.66

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Solution

The fourth proportional to 321,723.28, 482,588.64 and 97,085.66 is: 145,629.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,723.28 : 482,588.64 = 97,085.66 : x
  2. Step 2: Convert to fraction form
    321,723.28/482,588.64 = 97,085.66/x
  3. Step 3: Cross multiply
    321,723.28x = 482,588.64 × 97,085.66
  4. Step 4: Simplify right side
    321,723.28x = 46,852,436,622.90
  5. Step 5: Solve for x
    x = 46,852,436,622.90/321,723.28
  6. Step 6: Final answer
    x = 145,629.61

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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.