Home / 211,570.82-317,357.31-71,330.66

Finding the Fourth Proportional to 211,570.82, 317,357.31 and 71,330.66

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Solution

The fourth proportional to 211,570.82, 317,357.31 and 71,330.66 is: 106,996.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,570.82 : 317,357.31 = 71,330.66 : x
  2. Step 2: Convert to fraction form
    211,570.82/317,357.31 = 71,330.66/x
  3. Step 3: Cross multiply
    211,570.82x = 317,357.31 × 71,330.66
  4. Step 4: Simplify right side
    211,570.82x = 22,637,306,378.12
  5. Step 5: Solve for x
    x = 22,637,306,378.12/211,570.82
  6. Step 6: Final answer
    x = 106,996.35

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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.