Home / 370,727.67-511,626.23-209,597.72

Finding the Fourth Proportional to 370,727.67, 511,626.23 and 209,597.72

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Solution

The fourth proportional to 370,727.67, 511,626.23 and 209,597.72 is: 289,257.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,727.67 : 511,626.23 = 209,597.72 : x
  2. Step 2: Convert to fraction form
    370,727.67/511,626.23 = 209,597.72/x
  3. Step 3: Cross multiply
    370,727.67x = 511,626.23 × 209,597.72
  4. Step 4: Simplify right side
    370,727.67x = 107,235,687,694.08
  5. Step 5: Solve for x
    x = 107,235,687,694.08/370,727.67
  6. Step 6: Final answer
    x = 289,257.31

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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.