Home / 381,622.51-571,760.18-231,558.06

Finding the Fourth Proportional to 381,622.51, 571,760.18 and 231,558.06

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Solution

The fourth proportional to 381,622.51, 571,760.18 and 231,558.06 is: 346,928.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,622.51 : 571,760.18 = 231,558.06 : x
  2. Step 2: Convert to fraction form
    381,622.51/571,760.18 = 231,558.06/x
  3. Step 3: Cross multiply
    381,622.51x = 571,760.18 × 231,558.06
  4. Step 4: Simplify right side
    381,622.51x = 132,395,678,066.05
  5. Step 5: Solve for x
    x = 132,395,678,066.05/381,622.51
  6. Step 6: Final answer
    x = 346,928.38

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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.