Home / 805,131.95-1,207,670.21-206,098.27

Finding the Fourth Proportional to 805,131.95, 1,207,670.21 and 206,098.27

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Solution

The fourth proportional to 805,131.95, 1,207,670.21 and 206,098.27 is: 309,140.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,131.95 : 1,207,670.21 = 206,098.27 : x
  2. Step 2: Convert to fraction form
    805,131.95/1,207,670.21 = 206,098.27/x
  3. Step 3: Cross multiply
    805,131.95x = 1,207,670.21 × 206,098.27
  4. Step 4: Simplify right side
    805,131.95x = 248,898,744,527.88
  5. Step 5: Solve for x
    x = 248,898,744,527.88/805,131.95
  6. Step 6: Final answer
    x = 309,140.31

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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.