Home / 439,961.48-607,146.85-238,757.48

Finding the Fourth Proportional to 439,961.48, 607,146.85 and 238,757.48

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Solution

The fourth proportional to 439,961.48, 607,146.85 and 238,757.48 is: 329,485.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,961.48 : 607,146.85 = 238,757.48 : x
  2. Step 2: Convert to fraction form
    439,961.48/607,146.85 = 238,757.48/x
  3. Step 3: Cross multiply
    439,961.48x = 607,146.85 × 238,757.48
  4. Step 4: Simplify right side
    439,961.48x = 144,960,854,850.65
  5. Step 5: Solve for x
    x = 144,960,854,850.65/439,961.48
  6. Step 6: Final answer
    x = 329,485.33

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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.