Home / 211,766.16-317,688.20-69,619.44

Finding the Fourth Proportional to 211,766.16, 317,688.20 and 69,619.44

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Solution

The fourth proportional to 211,766.16, 317,688.20 and 69,619.44 is: 104,441.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,766.16 : 317,688.20 = 69,619.44 : x
  2. Step 2: Convert to fraction form
    211,766.16/317,688.20 = 69,619.44/x
  3. Step 3: Cross multiply
    211,766.16x = 317,688.20 × 69,619.44
  4. Step 4: Simplify right side
    211,766.16x = 22,117,274,578.61
  5. Step 5: Solve for x
    x = 22,117,274,578.61/211,766.16
  6. Step 6: Final answer
    x = 104,441.97

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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.