Home / 438,814.32-605,575.71-247,856.10

Finding the Fourth Proportional to 438,814.32, 605,575.71 and 247,856.10

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Solution

The fourth proportional to 438,814.32, 605,575.71 and 247,856.10 is: 342,048.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,814.32 : 605,575.71 = 247,856.10 : x
  2. Step 2: Convert to fraction form
    438,814.32/605,575.71 = 247,856.10/x
  3. Step 3: Cross multiply
    438,814.32x = 605,575.71 × 247,856.10
  4. Step 4: Simplify right side
    438,814.32x = 150,095,633,735.33
  5. Step 5: Solve for x
    x = 150,095,633,735.33/438,814.32
  6. Step 6: Final answer
    x = 342,048.17

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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.