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Finding the Fourth Proportional to 636,973.76, 955,608.26 and 216,249.62

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Solution

The fourth proportional to 636,973.76, 955,608.26 and 216,249.62 is: 324,424.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,973.76 : 955,608.26 = 216,249.62 : x
  2. Step 2: Convert to fraction form
    636,973.76/955,608.26 = 216,249.62/x
  3. Step 3: Cross multiply
    636,973.76x = 955,608.26 × 216,249.62
  4. Step 4: Simplify right side
    636,973.76x = 206,649,923,093.86
  5. Step 5: Solve for x
    x = 206,649,923,093.86/636,973.76
  6. Step 6: Final answer
    x = 324,424.55

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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.