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Finding the Fourth Proportional to 636,229.22, 954,318.89 and 215,505.08

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Solution

The fourth proportional to 636,229.22, 954,318.89 and 215,505.08 is: 323,249.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,229.22 : 954,318.89 = 215,505.08 : x
  2. Step 2: Convert to fraction form
    636,229.22/954,318.89 = 215,505.08/x
  3. Step 3: Cross multiply
    636,229.22x = 954,318.89 × 215,505.08
  4. Step 4: Simplify right side
    636,229.22x = 205,660,562,885.84
  5. Step 5: Solve for x
    x = 205,660,562,885.84/636,229.22
  6. Step 6: Final answer
    x = 323,249.17

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1.5x scale

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.