Home / 636,566.56-954,967.91-210,132.09

Finding the Fourth Proportional to 636,566.56, 954,967.91 and 210,132.09

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Solution

The fourth proportional to 636,566.56, 954,967.91 and 210,132.09 is: 315,237.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,566.56 : 954,967.91 = 210,132.09 : x
  2. Step 2: Convert to fraction form
    636,566.56/954,967.91 = 210,132.09/x
  3. Step 3: Cross multiply
    636,566.56x = 954,967.91 × 210,132.09
  4. Step 4: Simplify right side
    636,566.56x = 200,669,401,760.57
  5. Step 5: Solve for x
    x = 200,669,401,760.57/636,566.56
  6. Step 6: Final answer
    x = 315,237.11

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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.