Home / 201,723.20-302,584.80-192,046.40

Finding the Fourth Proportional to 201,723.20, 302,584.80 and 192,046.40

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Solution

The fourth proportional to 201,723.20, 302,584.80 and 192,046.40 is: 288,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,723.20 : 302,584.80 = 192,046.40 : x
  2. Step 2: Convert to fraction form
    201,723.20/302,584.80 = 192,046.40/x
  3. Step 3: Cross multiply
    201,723.20x = 302,584.80 × 192,046.40
  4. Step 4: Simplify right side
    201,723.20x = 58,110,321,534.72
  5. Step 5: Solve for x
    x = 58,110,321,534.72/201,723.20
  6. Step 6: Final answer
    x = 288,069.60

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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.