Home / 377,515.26-520,971.15-207,749.39

Finding the Fourth Proportional to 377,515.26, 520,971.15 and 207,749.39

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Solution

The fourth proportional to 377,515.26, 520,971.15 and 207,749.39 is: 286,694.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,515.26 : 520,971.15 = 207,749.39 : x
  2. Step 2: Convert to fraction form
    377,515.26/520,971.15 = 207,749.39/x
  3. Step 3: Cross multiply
    377,515.26x = 520,971.15 × 207,749.39
  4. Step 4: Simplify right side
    377,515.26x = 108,231,438,620.10
  5. Step 5: Solve for x
    x = 108,231,438,620.10/377,515.26
  6. Step 6: Final answer
    x = 286,694.21

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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.