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Finding the Fourth Proportional to 439,376.88, 606,311.48 and 245,751.04

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Solution

The fourth proportional to 439,376.88, 606,311.48 and 245,751.04 is: 339,120.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,376.88 : 606,311.48 = 245,751.04 : x
  2. Step 2: Convert to fraction form
    439,376.88/606,311.48 = 245,751.04/x
  3. Step 3: Cross multiply
    439,376.88x = 606,311.48 × 245,751.04
  4. Step 4: Simplify right side
    439,376.88x = 149,001,673,742.38
  5. Step 5: Solve for x
    x = 149,001,673,742.38/439,376.88
  6. Step 6: Final answer
    x = 339,120.42

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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.