Home / 439,961.47-607,146.82-238,757.47

Finding the Fourth Proportional to 439,961.47, 607,146.82 and 238,757.47

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Solution

The fourth proportional to 439,961.47, 607,146.82 and 238,757.47 is: 329,485.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,961.47 : 607,146.82 = 238,757.47 : x
  2. Step 2: Convert to fraction form
    439,961.47/607,146.82 = 238,757.47/x
  3. Step 3: Cross multiply
    439,961.47x = 607,146.82 × 238,757.47
  4. Step 4: Simplify right side
    439,961.47x = 144,960,837,714.91
  5. Step 5: Solve for x
    x = 144,960,837,714.91/439,961.47
  6. Step 6: Final answer
    x = 329,485.30

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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.