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Finding the Fourth Proportional to 636,602.94, 954,999.13 and 210,183.81

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Solution

The fourth proportional to 636,602.94, 954,999.13 and 210,183.81 is: 315,306.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,602.94 : 954,999.13 = 210,183.81 : x
  2. Step 2: Convert to fraction form
    636,602.94/954,999.13 = 210,183.81/x
  3. Step 3: Cross multiply
    636,602.94x = 954,999.13 × 210,183.81
  4. Step 4: Simplify right side
    636,602.94x = 200,725,358,305.99
  5. Step 5: Solve for x
    x = 200,725,358,305.99/636,602.94
  6. Step 6: Final answer
    x = 315,306.99

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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.