Home / 762,162.10-1,143,243.59-193,585.84

Finding the Fourth Proportional to 762,162.10, 1,143,243.59 and 193,585.84

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Solution

The fourth proportional to 762,162.10, 1,143,243.59 and 193,585.84 is: 290,378.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,162.10 : 1,143,243.59 = 193,585.84 : x
  2. Step 2: Convert to fraction form
    762,162.10/1,143,243.59 = 193,585.84/x
  3. Step 3: Cross multiply
    762,162.10x = 1,143,243.59 × 193,585.84
  4. Step 4: Simplify right side
    762,162.10x = 221,315,766,868.73
  5. Step 5: Solve for x
    x = 221,315,766,868.73/762,162.10
  6. Step 6: Final answer
    x = 290,378.87

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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.