Home / 299,869.66-449,929.43-131,510.81

Finding the Fourth Proportional to 299,869.66, 449,929.43 and 131,510.81

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Solution

The fourth proportional to 299,869.66, 449,929.43 and 131,510.81 is: 197,321.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,869.66 : 449,929.43 = 131,510.81 : x
  2. Step 2: Convert to fraction form
    299,869.66/449,929.43 = 131,510.81/x
  3. Step 3: Cross multiply
    299,869.66x = 449,929.43 × 131,510.81
  4. Step 4: Simplify right side
    299,869.66x = 59,170,583,782.14
  5. Step 5: Solve for x
    x = 59,170,583,782.14/299,869.66
  6. Step 6: Final answer
    x = 197,321.01

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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.