Home / 439,668.24-659,383.71-155,321.35

Finding the Fourth Proportional to 439,668.24, 659,383.71 and 155,321.35

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Solution

The fourth proportional to 439,668.24, 659,383.71 and 155,321.35 is: 232,940.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,668.24 : 659,383.71 = 155,321.35 : x
  2. Step 2: Convert to fraction form
    439,668.24/659,383.71 = 155,321.35/x
  3. Step 3: Cross multiply
    439,668.24x = 659,383.71 × 155,321.35
  4. Step 4: Simplify right side
    439,668.24x = 102,416,369,483.33
  5. Step 5: Solve for x
    x = 102,416,369,483.33/439,668.24
  6. Step 6: Final answer
    x = 232,940.11

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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.