Home / 345,074.12-476,190.62-194,141.96

Finding the Fourth Proportional to 345,074.12, 476,190.62 and 194,141.96

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Solution

The fourth proportional to 345,074.12, 476,190.62 and 194,141.96 is: 267,909.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,074.12 : 476,190.62 = 194,141.96 : x
  2. Step 2: Convert to fraction form
    345,074.12/476,190.62 = 194,141.96/x
  3. Step 3: Cross multiply
    345,074.12x = 476,190.62 × 194,141.96
  4. Step 4: Simplify right side
    345,074.12x = 92,448,580,300.42
  5. Step 5: Solve for x
    x = 92,448,580,300.42/345,074.12
  6. Step 6: Final answer
    x = 267,909.34

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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.