Home / 370,834.92-511,730.46-209,723.76

Finding the Fourth Proportional to 370,834.92, 511,730.46 and 209,723.76

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Solution

The fourth proportional to 370,834.92, 511,730.46 and 209,723.76 is: 289,406.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,834.92 : 511,730.46 = 209,723.76 : x
  2. Step 2: Convert to fraction form
    370,834.92/511,730.46 = 209,723.76/x
  3. Step 3: Cross multiply
    370,834.92x = 511,730.46 × 209,723.76
  4. Step 4: Simplify right side
    370,834.92x = 107,322,036,177.73
  5. Step 5: Solve for x
    x = 107,322,036,177.73/370,834.92
  6. Step 6: Final answer
    x = 289,406.50

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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.