Home / 300,792.95-451,234.78-130,061.38

Finding the Fourth Proportional to 300,792.95, 451,234.78 and 130,061.38

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Solution

The fourth proportional to 300,792.95, 451,234.78 and 130,061.38 is: 195,111.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,792.95 : 451,234.78 = 130,061.38 : x
  2. Step 2: Convert to fraction form
    300,792.95/451,234.78 = 130,061.38/x
  3. Step 3: Cross multiply
    300,792.95x = 451,234.78 × 130,061.38
  4. Step 4: Simplify right side
    300,792.95x = 58,688,216,737.56
  5. Step 5: Solve for x
    x = 58,688,216,737.56/300,792.95
  6. Step 6: Final answer
    x = 195,111.68

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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.