Home / 211,748.97-317,556.54-69,570.90

Finding the Fourth Proportional to 211,748.97, 317,556.54 and 69,570.90

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Solution

The fourth proportional to 211,748.97, 317,556.54 and 69,570.90 is: 104,334.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,748.97 : 317,556.54 = 69,570.90 : x
  2. Step 2: Convert to fraction form
    211,748.97/317,556.54 = 69,570.90/x
  3. Step 3: Cross multiply
    211,748.97x = 317,556.54 × 69,570.90
  4. Step 4: Simplify right side
    211,748.97x = 22,092,694,288.69
  5. Step 5: Solve for x
    x = 22,092,694,288.69/211,748.97
  6. Step 6: Final answer
    x = 104,334.36

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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.