Home / 439,108.26-605,961.54-248,117.56

Finding the Fourth Proportional to 439,108.26, 605,961.54 and 248,117.56

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Solution

The fourth proportional to 439,108.26, 605,961.54 and 248,117.56 is: 342,397.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,108.26 : 605,961.54 = 248,117.56 : x
  2. Step 2: Convert to fraction form
    439,108.26/605,961.54 = 248,117.56/x
  3. Step 3: Cross multiply
    439,108.26x = 605,961.54 × 248,117.56
  4. Step 4: Simplify right side
    439,108.26x = 150,349,698,758.64
  5. Step 5: Solve for x
    x = 150,349,698,758.64/439,108.26
  6. Step 6: Final answer
    x = 342,397.79

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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.