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Finding the Fourth Proportional to 192,031.40, 288,392.70 and 185,810.60

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Solution

The fourth proportional to 192,031.40, 288,392.70 and 185,810.60 is: 279,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,031.40 : 288,392.70 = 185,810.60 : x
  2. Step 2: Convert to fraction form
    192,031.40/288,392.70 = 185,810.60/x
  3. Step 3: Cross multiply
    192,031.40x = 288,392.70 × 185,810.60
  4. Step 4: Simplify right side
    192,031.40x = 53,586,420,622.62
  5. Step 5: Solve for x
    x = 53,586,420,622.62/192,031.40
  6. Step 6: Final answer
    x = 279,050.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.