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Finding the Fourth Proportional to 229,134.69, 343,620.02 and 79,334.78

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Solution

The fourth proportional to 229,134.69, 343,620.02 and 79,334.78 is: 118,973.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,134.69 : 343,620.02 = 79,334.78 : x
  2. Step 2: Convert to fraction form
    229,134.69/343,620.02 = 79,334.78/x
  3. Step 3: Cross multiply
    229,134.69x = 343,620.02 × 79,334.78
  4. Step 4: Simplify right side
    229,134.69x = 27,261,017,170.53
  5. Step 5: Solve for x
    x = 27,261,017,170.53/229,134.69
  6. Step 6: Final answer
    x = 118,973.77

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1.5x scale

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.