Home / 471,936.72-707,513.16-187,451.76

Finding the Fourth Proportional to 471,936.72, 707,513.16 and 187,451.76

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Solution

The fourth proportional to 471,936.72, 707,513.16 and 187,451.76 is: 281,021.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,936.72 : 707,513.16 = 187,451.76 : x
  2. Step 2: Convert to fraction form
    471,936.72/707,513.16 = 187,451.76/x
  3. Step 3: Cross multiply
    471,936.72x = 707,513.16 × 187,451.76
  4. Step 4: Simplify right side
    471,936.72x = 132,624,587,065.16
  5. Step 5: Solve for x
    x = 132,624,587,065.16/471,936.72
  6. Step 6: Final answer
    x = 281,021.97

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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.