Home / 492,387.83-738,286.09-192,510.84

Finding the Fourth Proportional to 492,387.83, 738,286.09 and 192,510.84

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Solution

The fourth proportional to 492,387.83, 738,286.09 and 192,510.84 is: 288,650.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,387.83 : 738,286.09 = 192,510.84 : x
  2. Step 2: Convert to fraction form
    492,387.83/738,286.09 = 192,510.84/x
  3. Step 3: Cross multiply
    492,387.83x = 738,286.09 × 192,510.84
  4. Step 4: Simplify right side
    492,387.83x = 142,128,074,864.94
  5. Step 5: Solve for x
    x = 142,128,074,864.94/492,387.83
  6. Step 6: Final answer
    x = 288,650.67

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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.