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Finding the Fourth Proportional to 192,273.55, 288,591.26 and 97,571.72

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Solution

The fourth proportional to 192,273.55, 288,591.26 and 97,571.72 is: 146,449.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,273.55 : 288,591.26 = 97,571.72 : x
  2. Step 2: Convert to fraction form
    192,273.55/288,591.26 = 97,571.72/x
  3. Step 3: Cross multiply
    192,273.55x = 288,591.26 × 97,571.72
  4. Step 4: Simplify right side
    192,273.55x = 28,158,345,848.79
  5. Step 5: Solve for x
    x = 28,158,345,848.79/192,273.55
  6. Step 6: Final answer
    x = 146,449.40

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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.