Home / 492,259.20-738,350.40-192,681.60

Finding the Fourth Proportional to 492,259.20, 738,350.40 and 192,681.60

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Solution

The fourth proportional to 492,259.20, 738,350.40 and 192,681.60 is: 289,007.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,259.20 : 738,350.40 = 192,681.60 : x
  2. Step 2: Convert to fraction form
    492,259.20/738,350.40 = 192,681.60/x
  3. Step 3: Cross multiply
    492,259.20x = 738,350.40 × 192,681.60
  4. Step 4: Simplify right side
    492,259.20x = 142,266,536,432.64
  5. Step 5: Solve for x
    x = 142,266,536,432.64/492,259.20
  6. Step 6: Final answer
    x = 289,007.37

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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.