Home / 211,477.01-317,088.82-67,320.56

Finding the Fourth Proportional to 211,477.01, 317,088.82 and 67,320.56

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Solution

The fourth proportional to 211,477.01, 317,088.82 and 67,320.56 is: 100,940.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,477.01 : 317,088.82 = 67,320.56 : x
  2. Step 2: Convert to fraction form
    211,477.01/317,088.82 = 67,320.56/x
  3. Step 3: Cross multiply
    211,477.01x = 317,088.82 × 67,320.56
  4. Step 4: Simplify right side
    211,477.01x = 21,346,597,556.56
  5. Step 5: Solve for x
    x = 21,346,597,556.56/211,477.01
  6. Step 6: Final answer
    x = 100,940.51

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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.