Home / 377,947.50-521,550.27-216,792.42

Finding the Fourth Proportional to 377,947.50, 521,550.27 and 216,792.42

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Solution

The fourth proportional to 377,947.50, 521,550.27 and 216,792.42 is: 299,163.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,947.50 : 521,550.27 = 216,792.42 : x
  2. Step 2: Convert to fraction form
    377,947.50/521,550.27 = 216,792.42/x
  3. Step 3: Cross multiply
    377,947.50x = 521,550.27 × 216,792.42
  4. Step 4: Simplify right side
    377,947.50x = 113,068,145,184.95
  5. Step 5: Solve for x
    x = 113,068,145,184.95/377,947.50
  6. Step 6: Final answer
    x = 299,163.63

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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.