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Finding the Fourth Proportional to 261,504.99, 359,744.45 and 229,093.65

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Solution

The fourth proportional to 261,504.99, 359,744.45 and 229,093.65 is: 315,157.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,504.99 : 359,744.45 = 229,093.65 : x
  2. Step 2: Convert to fraction form
    261,504.99/359,744.45 = 229,093.65/x
  3. Step 3: Cross multiply
    261,504.99x = 359,744.45 × 229,093.65
  4. Step 4: Simplify right side
    261,504.99x = 82,415,167,972.27
  5. Step 5: Solve for x
    x = 82,415,167,972.27/261,504.99
  6. Step 6: Final answer
    x = 315,157.15

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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.