Home / 805,365.43-1,208,020.19-206,332.56

Finding the Fourth Proportional to 805,365.43, 1,208,020.19 and 206,332.56

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Solution

The fourth proportional to 805,365.43, 1,208,020.19 and 206,332.56 is: 309,491.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,365.43 : 1,208,020.19 = 206,332.56 : x
  2. Step 2: Convert to fraction form
    805,365.43/1,208,020.19 = 206,332.56/x
  3. Step 3: Cross multiply
    805,365.43x = 1,208,020.19 × 206,332.56
  4. Step 4: Simplify right side
    805,365.43x = 249,253,898,334.39
  5. Step 5: Solve for x
    x = 249,253,898,334.39/805,365.43
  6. Step 6: Final answer
    x = 309,491.68

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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.