Home / 451,918.48-677,882.52-136,378.16

Finding the Fourth Proportional to 451,918.48, 677,882.52 and 136,378.16

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Solution

The fourth proportional to 451,918.48, 677,882.52 and 136,378.16 is: 204,568.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,918.48 : 677,882.52 = 136,378.16 : x
  2. Step 2: Convert to fraction form
    451,918.48/677,882.52 = 136,378.16/x
  3. Step 3: Cross multiply
    451,918.48x = 677,882.52 × 136,378.16
  4. Step 4: Simplify right side
    451,918.48x = 92,448,370,773.76
  5. Step 5: Solve for x
    x = 92,448,370,773.76/451,918.48
  6. Step 6: Final answer
    x = 204,568.69

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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.