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Finding the Fourth Proportional to 636,954.54, 955,557.09 and 210,473.16

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Solution

The fourth proportional to 636,954.54, 955,557.09 and 210,473.16 is: 315,751.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,954.54 : 955,557.09 = 210,473.16 : x
  2. Step 2: Convert to fraction form
    636,954.54/955,557.09 = 210,473.16/x
  3. Step 3: Cross multiply
    636,954.54x = 955,557.09 × 210,473.16
  4. Step 4: Simplify right side
    636,954.54x = 201,119,120,292.70
  5. Step 5: Solve for x
    x = 201,119,120,292.70/636,954.54
  6. Step 6: Final answer
    x = 315,751.14

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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.