Home / 210,922.73-291,209.22-188,222.69

Finding the Fourth Proportional to 210,922.73, 291,209.22 and 188,222.69

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Solution

The fourth proportional to 210,922.73, 291,209.22 and 188,222.69 is: 259,868.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,922.73 : 291,209.22 = 188,222.69 : x
  2. Step 2: Convert to fraction form
    210,922.73/291,209.22 = 188,222.69/x
  3. Step 3: Cross multiply
    210,922.73x = 291,209.22 × 188,222.69
  4. Step 4: Simplify right side
    210,922.73x = 54,812,180,344.04
  5. Step 5: Solve for x
    x = 54,812,180,344.04/210,922.73
  6. Step 6: Final answer
    x = 259,868.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.