Home / 441,832.50-662,343.78-172,142.58

Finding the Fourth Proportional to 441,832.50, 662,343.78 and 172,142.58

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Solution

The fourth proportional to 441,832.50, 662,343.78 and 172,142.58 is: 258,056.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,832.50 : 662,343.78 = 172,142.58 : x
  2. Step 2: Convert to fraction form
    441,832.50/662,343.78 = 172,142.58/x
  3. Step 3: Cross multiply
    441,832.50x = 662,343.78 × 172,142.58
  4. Step 4: Simplify right side
    441,832.50x = 114,017,567,136.15
  5. Step 5: Solve for x
    x = 114,017,567,136.15/441,832.50
  6. Step 6: Final answer
    x = 258,056.09

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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.