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Finding the Fourth Proportional to 636,676.42, 954,910.85 and 187,292.22

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Solution

The fourth proportional to 636,676.42, 954,910.85 and 187,292.22 is: 280,907.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,676.42 : 954,910.85 = 187,292.22 : x
  2. Step 2: Convert to fraction form
    636,676.42/954,910.85 = 187,292.22/x
  3. Step 3: Cross multiply
    636,676.42x = 954,910.85 × 187,292.22
  4. Step 4: Simplify right side
    636,676.42x = 178,847,372,998.59
  5. Step 5: Solve for x
    x = 178,847,372,998.59/636,676.42
  6. Step 6: Final answer
    x = 280,907.80

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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.