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Finding the Fourth Proportional to 330,838.80, 496,114.20 and 153,286.80

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Solution

The fourth proportional to 330,838.80, 496,114.20 and 153,286.80 is: 229,863.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,838.80 : 496,114.20 = 153,286.80 : x
  2. Step 2: Convert to fraction form
    330,838.80/496,114.20 = 153,286.80/x
  3. Step 3: Cross multiply
    330,838.80x = 496,114.20 × 153,286.80
  4. Step 4: Simplify right side
    330,838.80x = 76,047,758,152.56
  5. Step 5: Solve for x
    x = 76,047,758,152.56/330,838.80
  6. Step 6: Final answer
    x = 229,863.48

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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.