Home / 226,630.48-339,984.60-121,421.20

Finding the Fourth Proportional to 226,630.48, 339,984.60 and 121,421.20

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Solution

The fourth proportional to 226,630.48, 339,984.60 and 121,421.20 is: 182,152.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,630.48 : 339,984.60 = 121,421.20 : x
  2. Step 2: Convert to fraction form
    226,630.48/339,984.60 = 121,421.20/x
  3. Step 3: Cross multiply
    226,630.48x = 339,984.60 × 121,421.20
  4. Step 4: Simplify right side
    226,630.48x = 41,281,338,113.52
  5. Step 5: Solve for x
    x = 41,281,338,113.52/226,630.48
  6. Step 6: Final answer
    x = 182,152.63

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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.