Home / 229,142.09-343,631.11-79,342.15

Finding the Fourth Proportional to 229,142.09, 343,631.11 and 79,342.15

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Solution

The fourth proportional to 229,142.09, 343,631.11 and 79,342.15 is: 118,984.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,142.09 : 343,631.11 = 79,342.15 : x
  2. Step 2: Convert to fraction form
    229,142.09/343,631.11 = 79,342.15/x
  3. Step 3: Cross multiply
    229,142.09x = 343,631.11 × 79,342.15
  4. Step 4: Simplify right side
    229,142.09x = 27,264,431,074.29
  5. Step 5: Solve for x
    x = 27,264,431,074.29/229,142.09
  6. Step 6: Final answer
    x = 118,984.83

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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.