Home / 211,401.41-317,117.03-85,042.44

Finding the Fourth Proportional to 211,401.41, 317,117.03 and 85,042.44

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Solution

The fourth proportional to 211,401.41, 317,117.03 and 85,042.44 is: 127,569.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,401.41 : 317,117.03 = 85,042.44 : x
  2. Step 2: Convert to fraction form
    211,401.41/317,117.03 = 85,042.44/x
  3. Step 3: Cross multiply
    211,401.41x = 317,117.03 × 85,042.44
  4. Step 4: Simplify right side
    211,401.41x = 26,968,405,571.54
  5. Step 5: Solve for x
    x = 26,968,405,571.54/211,401.41
  6. Step 6: Final answer
    x = 127,569.66

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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.