Home / 610,450.22-915,806.55-205,682.66

Finding the Fourth Proportional to 610,450.22, 915,806.55 and 205,682.66

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Solution

The fourth proportional to 610,450.22, 915,806.55 and 205,682.66 is: 308,568.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,450.22 : 915,806.55 = 205,682.66 : x
  2. Step 2: Convert to fraction form
    610,450.22/915,806.55 = 205,682.66/x
  3. Step 3: Cross multiply
    610,450.22x = 915,806.55 × 205,682.66
  4. Step 4: Simplify right side
    610,450.22x = 188,365,527,249.42
  5. Step 5: Solve for x
    x = 188,365,527,249.42/610,450.22
  6. Step 6: Final answer
    x = 308,568.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.