Home / 220,338.71-329,995.45-214,277.75

Finding the Fourth Proportional to 220,338.71, 329,995.45 and 214,277.75

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Solution

The fourth proportional to 220,338.71, 329,995.45 and 214,277.75 is: 320,918.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,338.71 : 329,995.45 = 214,277.75 : x
  2. Step 2: Convert to fraction form
    220,338.71/329,995.45 = 214,277.75/x
  3. Step 3: Cross multiply
    220,338.71x = 329,995.45 × 214,277.75
  4. Step 4: Simplify right side
    220,338.71x = 70,710,682,536.24
  5. Step 5: Solve for x
    x = 70,710,682,536.24/220,338.71
  6. Step 6: Final answer
    x = 320,918.11

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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.