Home / 347,965.07-480,183.93-202,761.86

Finding the Fourth Proportional to 347,965.07, 480,183.93 and 202,761.86

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Solution

The fourth proportional to 347,965.07, 480,183.93 and 202,761.86 is: 279,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,965.07 : 480,183.93 = 202,761.86 : x
  2. Step 2: Convert to fraction form
    347,965.07/480,183.93 = 202,761.86/x
  3. Step 3: Cross multiply
    347,965.07x = 480,183.93 × 202,761.86
  4. Step 4: Simplify right side
    347,965.07x = 97,362,984,387.99
  5. Step 5: Solve for x
    x = 97,362,984,387.99/347,965.07
  6. Step 6: Final answer
    x = 279,806.78

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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.