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Finding the Fourth Proportional to 439,998, 607,197.24 and 238,794

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Solution

The fourth proportional to 439,998, 607,197.24 and 238,794 is: 329,535.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,998 : 607,197.24 = 238,794 : x
  2. Step 2: Convert to fraction form
    439,998/607,197.24 = 238,794/x
  3. Step 3: Cross multiply
    439,998x = 607,197.24 × 238,794
  4. Step 4: Simplify right side
    439,998x = 144,995,057,728.56
  5. Step 5: Solve for x
    x = 144,995,057,728.56/439,998
  6. Step 6: Final answer
    x = 329,535.72

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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.