Home / 321,583.68-482,309.44-121,835.20

Finding the Fourth Proportional to 321,583.68, 482,309.44 and 121,835.20

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Solution

The fourth proportional to 321,583.68, 482,309.44 and 121,835.20 is: 182,727.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,583.68 : 482,309.44 = 121,835.20 : x
  2. Step 2: Convert to fraction form
    321,583.68/482,309.44 = 121,835.20/x
  3. Step 3: Cross multiply
    321,583.68x = 482,309.44 × 121,835.20
  4. Step 4: Simplify right side
    321,583.68x = 58,762,267,084.29
  5. Step 5: Solve for x
    x = 58,762,267,084.29/321,583.68
  6. Step 6: Final answer
    x = 182,727.76

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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.