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Finding the Fourth Proportional to 350,836.34, 526,249.80 and 84,594.74

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Solution

The fourth proportional to 350,836.34, 526,249.80 and 84,594.74 is: 126,890.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,836.34 : 526,249.80 = 84,594.74 : x
  2. Step 2: Convert to fraction form
    350,836.34/526,249.80 = 84,594.74/x
  3. Step 3: Cross multiply
    350,836.34x = 526,249.80 × 84,594.74
  4. Step 4: Simplify right side
    350,836.34x = 44,517,962,374.80
  5. Step 5: Solve for x
    x = 44,517,962,374.80/350,836.34
  6. Step 6: Final answer
    x = 126,890.97

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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.