Home / 377,659.68-521,170.38-207,892.50

Finding the Fourth Proportional to 377,659.68, 521,170.38 and 207,892.50

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Solution

The fourth proportional to 377,659.68, 521,170.38 and 207,892.50 is: 286,891.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,659.68 : 521,170.38 = 207,892.50 : x
  2. Step 2: Convert to fraction form
    377,659.68/521,170.38 = 207,892.50/x
  3. Step 3: Cross multiply
    377,659.68x = 521,170.38 × 207,892.50
  4. Step 4: Simplify right side
    377,659.68x = 108,347,413,224.15
  5. Step 5: Solve for x
    x = 108,347,413,224.15/377,659.68
  6. Step 6: Final answer
    x = 286,891.66

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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.