Home / 347,585.10-479,670.03-196,678.86

Finding the Fourth Proportional to 347,585.10, 479,670.03 and 196,678.86

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Solution

The fourth proportional to 347,585.10, 479,670.03 and 196,678.86 is: 271,418.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,585.10 : 479,670.03 = 196,678.86 : x
  2. Step 2: Convert to fraction form
    347,585.10/479,670.03 = 196,678.86/x
  3. Step 3: Cross multiply
    347,585.10x = 479,670.03 × 196,678.86
  4. Step 4: Simplify right side
    347,585.10x = 94,340,954,676.57
  5. Step 5: Solve for x
    x = 94,340,954,676.57/347,585.10
  6. Step 6: Final answer
    x = 271,418.29

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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.