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Finding the Fourth Proportional to 636,973.75, 955,608.27 and 216,249.64

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Solution

The fourth proportional to 636,973.75, 955,608.27 and 216,249.64 is: 324,424.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,973.75 : 955,608.27 = 216,249.64 : x
  2. Step 2: Convert to fraction form
    636,973.75/955,608.27 = 216,249.64/x
  3. Step 3: Cross multiply
    636,973.75x = 955,608.27 × 216,249.64
  4. Step 4: Simplify right side
    636,973.75x = 206,649,944,368.52
  5. Step 5: Solve for x
    x = 206,649,944,368.52/636,973.75
  6. Step 6: Final answer
    x = 324,424.58

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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.