Home / 492,088.20-738,093.90-192,510.60

Finding the Fourth Proportional to 492,088.20, 738,093.90 and 192,510.60

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Solution

The fourth proportional to 492,088.20, 738,093.90 and 192,510.60 is: 288,750.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,088.20 : 738,093.90 = 192,510.60 : x
  2. Step 2: Convert to fraction form
    492,088.20/738,093.90 = 192,510.60/x
  3. Step 3: Cross multiply
    492,088.20x = 738,093.90 × 192,510.60
  4. Step 4: Simplify right side
    492,088.20x = 142,090,899,545.34
  5. Step 5: Solve for x
    x = 142,090,899,545.34/492,088.20
  6. Step 6: Final answer
    x = 288,750.88

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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.