Home / 439,664.18-659,575.23-155,519.42

Finding the Fourth Proportional to 439,664.18, 659,575.23 and 155,519.42

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Solution

The fourth proportional to 439,664.18, 659,575.23 and 155,519.42 is: 233,307.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,664.18 : 659,575.23 = 155,519.42 : x
  2. Step 2: Convert to fraction form
    439,664.18/659,575.23 = 155,519.42/x
  3. Step 3: Cross multiply
    439,664.18x = 659,575.23 × 155,519.42
  4. Step 4: Simplify right side
    439,664.18x = 102,576,753,918.09
  5. Step 5: Solve for x
    x = 102,576,753,918.09/439,664.18
  6. Step 6: Final answer
    x = 233,307.06

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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.