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Finding the Fourth Proportional to 261,524.80, 359,771.60 and 229,113.44

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Solution

The fourth proportional to 261,524.80, 359,771.60 and 229,113.44 is: 315,184.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,524.80 : 359,771.60 = 229,113.44 : x
  2. Step 2: Convert to fraction form
    261,524.80/359,771.60 = 229,113.44/x
  3. Step 3: Cross multiply
    261,524.80x = 359,771.60 × 229,113.44
  4. Step 4: Simplify right side
    261,524.80x = 82,428,508,890.30
  5. Step 5: Solve for x
    x = 82,428,508,890.30/261,524.80
  6. Step 6: Final answer
    x = 315,184.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.