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Finding the Fourth Proportional to 281,218.87, 388,022.02 and 166,533.54

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Solution

The fourth proportional to 281,218.87, 388,022.02 and 166,533.54 is: 229,780.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,218.87 : 388,022.02 = 166,533.54 : x
  2. Step 2: Convert to fraction form
    281,218.87/388,022.02 = 166,533.54/x
  3. Step 3: Cross multiply
    281,218.87x = 388,022.02 × 166,533.54
  4. Step 4: Simplify right side
    281,218.87x = 64,618,680,588.55
  5. Step 5: Solve for x
    x = 64,618,680,588.55/281,218.87
  6. Step 6: Final answer
    x = 229,780.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.