Home / 210,922.98-291,209.56-188,222.94

Finding the Fourth Proportional to 210,922.98, 291,209.56 and 188,222.94

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Solution

The fourth proportional to 210,922.98, 291,209.56 and 188,222.94 is: 259,868.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,922.98 : 291,209.56 = 188,222.94 : x
  2. Step 2: Convert to fraction form
    210,922.98/291,209.56 = 188,222.94/x
  3. Step 3: Cross multiply
    210,922.98x = 291,209.56 × 188,222.94
  4. Step 4: Simplify right side
    210,922.98x = 54,812,319,539.31
  5. Step 5: Solve for x
    x = 54,812,319,539.31/210,922.98
  6. Step 6: Final answer
    x = 259,868.88

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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.