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Finding the Fourth Proportional to 192,345.40, 288,518.10 and 50,190.40

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Solution

The fourth proportional to 192,345.40, 288,518.10 and 50,190.40 is: 75,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,345.40 : 288,518.10 = 50,190.40 : x
  2. Step 2: Convert to fraction form
    192,345.40/288,518.10 = 50,190.40/x
  3. Step 3: Cross multiply
    192,345.40x = 288,518.10 × 50,190.40
  4. Step 4: Simplify right side
    192,345.40x = 14,480,838,846.24
  5. Step 5: Solve for x
    x = 14,480,838,846.24/192,345.40
  6. Step 6: Final answer
    x = 75,285.60

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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.