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Finding the Fourth Proportional to 636,759.93, 954,937.28 and 210,216.36

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Solution

The fourth proportional to 636,759.93, 954,937.28 and 210,216.36 is: 315,257.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,759.93 : 954,937.28 = 210,216.36 : x
  2. Step 2: Convert to fraction form
    636,759.93/954,937.28 = 210,216.36/x
  3. Step 3: Cross multiply
    636,759.93x = 954,937.28 × 210,216.36
  4. Step 4: Simplify right side
    636,759.93x = 200,743,443,136.46
  5. Step 5: Solve for x
    x = 200,743,443,136.46/636,759.93
  6. Step 6: Final answer
    x = 315,257.65

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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.