Home / 438,814.82-605,576.40-247,856.60

Finding the Fourth Proportional to 438,814.82, 605,576.40 and 247,856.60

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Solution

The fourth proportional to 438,814.82, 605,576.40 and 247,856.60 is: 342,048.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,814.82 : 605,576.40 = 247,856.60 : x
  2. Step 2: Convert to fraction form
    438,814.82/605,576.40 = 247,856.60/x
  3. Step 3: Cross multiply
    438,814.82x = 605,576.40 × 247,856.60
  4. Step 4: Simplify right side
    438,814.82x = 150,096,107,544.24
  5. Step 5: Solve for x
    x = 150,096,107,544.24/438,814.82
  6. Step 6: Final answer
    x = 342,048.86

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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.