Home / 347,135.72-479,032.56-201,941.86

Finding the Fourth Proportional to 347,135.72, 479,032.56 and 201,941.86

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Solution

The fourth proportional to 347,135.72, 479,032.56 and 201,941.86 is: 278,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,135.72 : 479,032.56 = 201,941.86 : x
  2. Step 2: Convert to fraction form
    347,135.72/479,032.56 = 201,941.86/x
  3. Step 3: Cross multiply
    347,135.72x = 479,032.56 × 201,941.86
  4. Step 4: Simplify right side
    347,135.72x = 96,736,726,166.96
  5. Step 5: Solve for x
    x = 96,736,726,166.96/347,135.72
  6. Step 6: Final answer
    x = 278,671.20

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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.