Home / 210,922.48-291,208.87-188,222.44

Finding the Fourth Proportional to 210,922.48, 291,208.87 and 188,222.44

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Solution

The fourth proportional to 210,922.48, 291,208.87 and 188,222.44 is: 259,868.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,922.48 : 291,208.87 = 188,222.44 : x
  2. Step 2: Convert to fraction form
    210,922.48/291,208.87 = 188,222.44/x
  3. Step 3: Cross multiply
    210,922.48x = 291,208.87 × 188,222.44
  4. Step 4: Simplify right side
    210,922.48x = 54,812,042,605.00
  5. Step 5: Solve for x
    x = 54,812,042,605.00/210,922.48
  6. Step 6: Final answer
    x = 259,868.19

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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.