Home / 315,252.04-435,112.56-192,765.36

Finding the Fourth Proportional to 315,252.04, 435,112.56 and 192,765.36

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Solution

The fourth proportional to 315,252.04, 435,112.56 and 192,765.36 is: 266,055.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,252.04 : 435,112.56 = 192,765.36 : x
  2. Step 2: Convert to fraction form
    315,252.04/435,112.56 = 192,765.36/x
  3. Step 3: Cross multiply
    315,252.04x = 435,112.56 × 192,765.36
  4. Step 4: Simplify right side
    315,252.04x = 83,874,629,268.92
  5. Step 5: Solve for x
    x = 83,874,629,268.92/315,252.04
  6. Step 6: Final answer
    x = 266,055.79

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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.