Home / 399,028.23-598,642.61-114,719.31

Finding the Fourth Proportional to 399,028.23, 598,642.61 and 114,719.31

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Solution

The fourth proportional to 399,028.23, 598,642.61 and 114,719.31 is: 172,107.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,028.23 : 598,642.61 = 114,719.31 : x
  2. Step 2: Convert to fraction form
    399,028.23/598,642.61 = 114,719.31/x
  3. Step 3: Cross multiply
    399,028.23x = 598,642.61 × 114,719.31
  4. Step 4: Simplify right side
    399,028.23x = 68,675,866,582.20
  5. Step 5: Solve for x
    x = 68,675,866,582.20/399,028.23
  6. Step 6: Final answer
    x = 172,107.79

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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.