Home / 311,280.02-465,738.64-192,657.14

Finding the Fourth Proportional to 311,280.02, 465,738.64 and 192,657.14

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Solution

The fourth proportional to 311,280.02, 465,738.64 and 192,657.14 is: 288,254.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,280.02 : 465,738.64 = 192,657.14 : x
  2. Step 2: Convert to fraction form
    311,280.02/465,738.64 = 192,657.14/x
  3. Step 3: Cross multiply
    311,280.02x = 465,738.64 × 192,657.14
  4. Step 4: Simplify right side
    311,280.02x = 89,727,874,369.89
  5. Step 5: Solve for x
    x = 89,727,874,369.89/311,280.02
  6. Step 6: Final answer
    x = 288,254.53

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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.