Home / 347,568.75-521,409.38-107,626.26

Finding the Fourth Proportional to 347,568.75, 521,409.38 and 107,626.26

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Solution

The fourth proportional to 347,568.75, 521,409.38 and 107,626.26 is: 161,456.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,568.75 : 521,409.38 = 107,626.26 : x
  2. Step 2: Convert to fraction form
    347,568.75/521,409.38 = 107,626.26/x
  3. Step 3: Cross multiply
    347,568.75x = 521,409.38 × 107,626.26
  4. Step 4: Simplify right side
    347,568.75x = 56,117,340,960.19
  5. Step 5: Solve for x
    x = 56,117,340,960.19/347,568.75
  6. Step 6: Final answer
    x = 161,456.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.