Home / 492,237.20-738,137.10-192,618.20

Finding the Fourth Proportional to 492,237.20, 738,137.10 and 192,618.20

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Solution

The fourth proportional to 492,237.20, 738,137.10 and 192,618.20 is: 288,841.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,237.20 : 738,137.10 = 192,618.20 : x
  2. Step 2: Convert to fraction form
    492,237.20/738,137.10 = 192,618.20/x
  3. Step 3: Cross multiply
    492,237.20x = 738,137.10 × 192,618.20
  4. Step 4: Simplify right side
    492,237.20x = 142,178,639,555.22
  5. Step 5: Solve for x
    x = 142,178,639,555.22/492,237.20
  6. Step 6: Final answer
    x = 288,841.72

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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.