Home / 377,169.26-520,471.86-207,403.52

Finding the Fourth Proportional to 377,169.26, 520,471.86 and 207,403.52

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Solution

The fourth proportional to 377,169.26, 520,471.86 and 207,403.52 is: 286,204.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,169.26 : 520,471.86 = 207,403.52 : x
  2. Step 2: Convert to fraction form
    377,169.26/520,471.86 = 207,403.52/x
  3. Step 3: Cross multiply
    377,169.26x = 520,471.86 × 207,403.52
  4. Step 4: Simplify right side
    377,169.26x = 107,947,695,824.95
  5. Step 5: Solve for x
    x = 107,947,695,824.95/377,169.26
  6. Step 6: Final answer
    x = 286,204.91

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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.