Home / 321,569.90-482,402.37-111,151.34

Finding the Fourth Proportional to 321,569.90, 482,402.37 and 111,151.34

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Solution

The fourth proportional to 321,569.90, 482,402.37 and 111,151.34 is: 166,743.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,569.90 : 482,402.37 = 111,151.34 : x
  2. Step 2: Convert to fraction form
    321,569.90/482,402.37 = 111,151.34/x
  3. Step 3: Cross multiply
    321,569.90x = 482,402.37 × 111,151.34
  4. Step 4: Simplify right side
    321,569.90x = 53,619,669,844.68
  5. Step 5: Solve for x
    x = 53,619,669,844.68/321,569.90
  6. Step 6: Final answer
    x = 166,743.44

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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.