Home / 370,965.96-511,933.01-209,817.54

Finding the Fourth Proportional to 370,965.96, 511,933.01 and 209,817.54

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Solution

The fourth proportional to 370,965.96, 511,933.01 and 209,817.54 is: 289,548.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,965.96 : 511,933.01 = 209,817.54 : x
  2. Step 2: Convert to fraction form
    370,965.96/511,933.01 = 209,817.54/x
  3. Step 3: Cross multiply
    370,965.96x = 511,933.01 × 209,817.54
  4. Step 4: Simplify right side
    370,965.96x = 107,412,523,753.91
  5. Step 5: Solve for x
    x = 107,412,523,753.91/370,965.96
  6. Step 6: Final answer
    x = 289,548.19

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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.