Home / 279,815.53-419,847.23-146,664.13

Finding the Fourth Proportional to 279,815.53, 419,847.23 and 146,664.13

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Solution

The fourth proportional to 279,815.53, 419,847.23 and 146,664.13 is: 220,061.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,815.53 : 419,847.23 = 146,664.13 : x
  2. Step 2: Convert to fraction form
    279,815.53/419,847.23 = 146,664.13/x
  3. Step 3: Cross multiply
    279,815.53x = 419,847.23 × 146,664.13
  4. Step 4: Simplify right side
    279,815.53x = 61,576,528,720.86
  5. Step 5: Solve for x
    x = 61,576,528,720.86/279,815.53
  6. Step 6: Final answer
    x = 220,061.16

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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.