Home / 347,622.75-479,719.40-188,646.75

Finding the Fourth Proportional to 347,622.75, 479,719.40 and 188,646.75

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Solution

The fourth proportional to 347,622.75, 479,719.40 and 188,646.75 is: 260,332.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,622.75 : 479,719.40 = 188,646.75 : x
  2. Step 2: Convert to fraction form
    347,622.75/479,719.40 = 188,646.75/x
  3. Step 3: Cross multiply
    347,622.75x = 479,719.40 × 188,646.75
  4. Step 4: Simplify right side
    347,622.75x = 90,497,504,778.72
  5. Step 5: Solve for x
    x = 90,497,504,778.72/347,622.75
  6. Step 6: Final answer
    x = 260,332.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.