Home / 347,406.54-521,151.85-122,721

Finding the Fourth Proportional to 347,406.54, 521,151.85 and 122,721

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Solution

The fourth proportional to 347,406.54, 521,151.85 and 122,721 is: 184,096.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,406.54 : 521,151.85 = 122,721 : x
  2. Step 2: Convert to fraction form
    347,406.54/521,151.85 = 122,721/x
  3. Step 3: Cross multiply
    347,406.54x = 521,151.85 × 122,721
  4. Step 4: Simplify right side
    347,406.54x = 63,956,276,183.85
  5. Step 5: Solve for x
    x = 63,956,276,183.85/347,406.54
  6. Step 6: Final answer
    x = 184,096.35

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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.