Home / 226,421.90-339,612.02-76,645.07

Finding the Fourth Proportional to 226,421.90, 339,612.02 and 76,645.07

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Solution

The fourth proportional to 226,421.90, 339,612.02 and 76,645.07 is: 114,960.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,421.90 : 339,612.02 = 76,645.07 : x
  2. Step 2: Convert to fraction form
    226,421.90/339,612.02 = 76,645.07/x
  3. Step 3: Cross multiply
    226,421.90x = 339,612.02 × 76,645.07
  4. Step 4: Simplify right side
    226,421.90x = 26,029,584,964.46
  5. Step 5: Solve for x
    x = 26,029,584,964.46/226,421.90
  6. Step 6: Final answer
    x = 114,960.55

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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.