Home / 377,736.45-521,275.33-207,970.57

Finding the Fourth Proportional to 377,736.45, 521,275.33 and 207,970.57

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Solution

The fourth proportional to 377,736.45, 521,275.33 and 207,970.57 is: 286,998.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,736.45 : 521,275.33 = 207,970.57 : x
  2. Step 2: Convert to fraction form
    377,736.45/521,275.33 = 207,970.57/x
  3. Step 3: Cross multiply
    377,736.45x = 521,275.33 × 207,970.57
  4. Step 4: Simplify right side
    377,736.45x = 108,409,928,418.60
  5. Step 5: Solve for x
    x = 108,409,928,418.60/377,736.45
  6. Step 6: Final answer
    x = 286,998.86

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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.