Home / 492,488.20-738,732.30-192,869.20

Finding the Fourth Proportional to 492,488.20, 738,732.30 and 192,869.20

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Solution

The fourth proportional to 492,488.20, 738,732.30 and 192,869.20 is: 289,303.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,488.20 : 738,732.30 = 192,869.20 : x
  2. Step 2: Convert to fraction form
    492,488.20/738,732.30 = 192,869.20/x
  3. Step 3: Cross multiply
    492,488.20x = 738,732.30 × 192,869.20
  4. Step 4: Simplify right side
    492,488.20x = 142,478,707,715.16
  5. Step 5: Solve for x
    x = 142,478,707,715.16/492,488.20
  6. Step 6: Final answer
    x = 289,303.80

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1.5x scale

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.