Home / 281,922.05-388,676.00-223,971.03

Finding the Fourth Proportional to 281,922.05, 388,676.00 and 223,971.03

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Solution

The fourth proportional to 281,922.05, 388,676.00 and 223,971.03 is: 308,780.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,922.05 : 388,676.00 = 223,971.03 : x
  2. Step 2: Convert to fraction form
    281,922.05/388,676.00 = 223,971.03/x
  3. Step 3: Cross multiply
    281,922.05x = 388,676.00 × 223,971.03
  4. Step 4: Simplify right side
    281,922.05x = 87,052,164,616.21
  5. Step 5: Solve for x
    x = 87,052,164,616.21/281,922.05
  6. Step 6: Final answer
    x = 308,780.97

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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.