Home / 377,560.28-521,022.30-207,790.76

Finding the Fourth Proportional to 377,560.28, 521,022.30 and 207,790.76

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Solution

The fourth proportional to 377,560.28, 521,022.30 and 207,790.76 is: 286,745.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,560.28 : 521,022.30 = 207,790.76 : x
  2. Step 2: Convert to fraction form
    377,560.28/521,022.30 = 207,790.76/x
  3. Step 3: Cross multiply
    377,560.28x = 521,022.30 × 207,790.76
  4. Step 4: Simplify right side
    377,560.28x = 108,263,619,693.95
  5. Step 5: Solve for x
    x = 108,263,619,693.95/377,560.28
  6. Step 6: Final answer
    x = 286,745.26

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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.