Home / 192,628.48-288,551.04-157,216

Finding the Fourth Proportional to 192,628.48, 288,551.04 and 157,216

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Solution

The fourth proportional to 192,628.48, 288,551.04 and 157,216 is: 235,504.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,628.48 : 288,551.04 = 157,216 : x
  2. Step 2: Convert to fraction form
    192,628.48/288,551.04 = 157,216/x
  3. Step 3: Cross multiply
    192,628.48x = 288,551.04 × 157,216
  4. Step 4: Simplify right side
    192,628.48x = 45,364,840,304.64
  5. Step 5: Solve for x
    x = 45,364,840,304.64/192,628.48
  6. Step 6: Final answer
    x = 235,504.33

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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.