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Finding the Fourth Proportional to 192,302.30, 288,488.31 and 96,289.59

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Solution

The fourth proportional to 192,302.30, 288,488.31 and 96,289.59 is: 144,451.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,302.30 : 288,488.31 = 96,289.59 : x
  2. Step 2: Convert to fraction form
    192,302.30/288,488.31 = 96,289.59/x
  3. Step 3: Cross multiply
    192,302.30x = 288,488.31 × 96,289.59
  4. Step 4: Simplify right side
    192,302.30x = 27,778,419,647.13
  5. Step 5: Solve for x
    x = 27,778,419,647.13/192,302.30
  6. Step 6: Final answer
    x = 144,451.83

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1.5x scale

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.