Home / 370,615.11-511,449.30-200,849.24

Finding the Fourth Proportional to 370,615.11, 511,449.30 and 200,849.24

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Solution

The fourth proportional to 370,615.11, 511,449.30 and 200,849.24 is: 277,172.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,615.11 : 511,449.30 = 200,849.24 : x
  2. Step 2: Convert to fraction form
    370,615.11/511,449.30 = 200,849.24/x
  3. Step 3: Cross multiply
    370,615.11x = 511,449.30 × 200,849.24
  4. Step 4: Simplify right side
    370,615.11x = 102,724,200,646.29
  5. Step 5: Solve for x
    x = 102,724,200,646.29/370,615.11
  6. Step 6: Final answer
    x = 277,172.19

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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.