Home / 377,737.38-521,261.84-207,960.57

Finding the Fourth Proportional to 377,737.38, 521,261.84 and 207,960.57

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Solution

The fourth proportional to 377,737.38, 521,261.84 and 207,960.57 is: 286,976.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,737.38 : 521,261.84 = 207,960.57 : x
  2. Step 2: Convert to fraction form
    377,737.38/521,261.84 = 207,960.57/x
  3. Step 3: Cross multiply
    377,737.38x = 521,261.84 × 207,960.57
  4. Step 4: Simplify right side
    377,737.38x = 108,401,909,365.65
  5. Step 5: Solve for x
    x = 108,401,909,365.65/377,737.38
  6. Step 6: Final answer
    x = 286,976.92

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1.5x scale

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.