Home / 322,739.04-445,371.92-186,754.10

Finding the Fourth Proportional to 322,739.04, 445,371.92 and 186,754.10

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Solution

The fourth proportional to 322,739.04, 445,371.92 and 186,754.10 is: 257,716.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,739.04 : 445,371.92 = 186,754.10 : x
  2. Step 2: Convert to fraction form
    322,739.04/445,371.92 = 186,754.10/x
  3. Step 3: Cross multiply
    322,739.04x = 445,371.92 × 186,754.10
  4. Step 4: Simplify right side
    322,739.04x = 83,175,032,084.87
  5. Step 5: Solve for x
    x = 83,175,032,084.87/322,739.04
  6. Step 6: Final answer
    x = 257,716.05

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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.