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Finding the Fourth Proportional to 164,857.80, 247,286.70 and 150,423.60

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Solution

The fourth proportional to 164,857.80, 247,286.70 and 150,423.60 is: 225,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,857.80 : 247,286.70 = 150,423.60 : x
  2. Step 2: Convert to fraction form
    164,857.80/247,286.70 = 150,423.60/x
  3. Step 3: Cross multiply
    164,857.80x = 247,286.70 × 150,423.60
  4. Step 4: Simplify right side
    164,857.80x = 37,197,755,646.12
  5. Step 5: Solve for x
    x = 37,197,755,646.12/164,857.80
  6. Step 6: Final answer
    x = 225,635.40

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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.