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Finding the Fourth Proportional to 150,432.64, 225,590.64 and 80,273.68

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Solution

The fourth proportional to 150,432.64, 225,590.64 and 80,273.68 is: 120,379.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,432.64 : 225,590.64 = 80,273.68 : x
  2. Step 2: Convert to fraction form
    150,432.64/225,590.64 = 80,273.68/x
  3. Step 3: Cross multiply
    150,432.64x = 225,590.64 × 80,273.68
  4. Step 4: Simplify right side
    150,432.64x = 18,108,990,846.36
  5. Step 5: Solve for x
    x = 18,108,990,846.36/150,432.64
  6. Step 6: Final answer
    x = 120,379.40

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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.