Home / 438,814.07-605,575.37-247,855.85

Finding the Fourth Proportional to 438,814.07, 605,575.37 and 247,855.85

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Solution

The fourth proportional to 438,814.07, 605,575.37 and 247,855.85 is: 342,047.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,814.07 : 605,575.37 = 247,855.85 : x
  2. Step 2: Convert to fraction form
    438,814.07/605,575.37 = 247,855.85/x
  3. Step 3: Cross multiply
    438,814.07x = 605,575.37 × 247,855.85
  4. Step 4: Simplify right side
    438,814.07x = 150,095,396,831.14
  5. Step 5: Solve for x
    x = 150,095,396,831.14/438,814.07
  6. Step 6: Final answer
    x = 342,047.82

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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.