Home / 279,923.80-419,885.70-230,060.20

Finding the Fourth Proportional to 279,923.80, 419,885.70 and 230,060.20

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Solution

The fourth proportional to 279,923.80, 419,885.70 and 230,060.20 is: 345,090.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,923.80 : 419,885.70 = 230,060.20 : x
  2. Step 2: Convert to fraction form
    279,923.80/419,885.70 = 230,060.20/x
  3. Step 3: Cross multiply
    279,923.80x = 419,885.70 × 230,060.20
  4. Step 4: Simplify right side
    279,923.80x = 96,598,988,119.14
  5. Step 5: Solve for x
    x = 96,598,988,119.14/279,923.80
  6. Step 6: Final answer
    x = 345,090.30

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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.