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Finding the Fourth Proportional to 439,377.88, 606,312.86 and 245,752.04

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Solution

The fourth proportional to 439,377.88, 606,312.86 and 245,752.04 is: 339,121.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,377.88 : 606,312.86 = 245,752.04 : x
  2. Step 2: Convert to fraction form
    439,377.88/606,312.86 = 245,752.04/x
  3. Step 3: Cross multiply
    439,377.88x = 606,312.86 × 245,752.04
  4. Step 4: Simplify right side
    439,377.88x = 149,002,622,223.23
  5. Step 5: Solve for x
    x = 149,002,622,223.23/439,377.88
  6. Step 6: Final answer
    x = 339,121.81

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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.