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Finding the Fourth Proportional to 503,816.20, 755,708.10 and 166,872.40

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Solution

The fourth proportional to 503,816.20, 755,708.10 and 166,872.40 is: 250,303.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,816.20 : 755,708.10 = 166,872.40 : x
  2. Step 2: Convert to fraction form
    503,816.20/755,708.10 = 166,872.40/x
  3. Step 3: Cross multiply
    503,816.20x = 755,708.10 × 166,872.40
  4. Step 4: Simplify right side
    503,816.20x = 126,106,824,346.44
  5. Step 5: Solve for x
    x = 126,106,824,346.44/503,816.20
  6. Step 6: Final answer
    x = 250,303.23

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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.