Home / 439,962.24-607,147.89-238,758.24

Finding the Fourth Proportional to 439,962.24, 607,147.89 and 238,758.24

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Solution

The fourth proportional to 439,962.24, 607,147.89 and 238,758.24 is: 329,486.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,962.24 : 607,147.89 = 238,758.24 : x
  2. Step 2: Convert to fraction form
    439,962.24/607,147.89 = 238,758.24/x
  3. Step 3: Cross multiply
    439,962.24x = 607,147.89 × 238,758.24
  4. Step 4: Simplify right side
    439,962.24x = 144,961,558,463.97
  5. Step 5: Solve for x
    x = 144,961,558,463.97/439,962.24
  6. Step 6: Final answer
    x = 329,486.37

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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.