Home / 312,867.53-431,760.18-169,627.94

Finding the Fourth Proportional to 312,867.53, 431,760.18 and 169,627.94

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Solution

The fourth proportional to 312,867.53, 431,760.18 and 169,627.94 is: 234,088.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,867.53 : 431,760.18 = 169,627.94 : x
  2. Step 2: Convert to fraction form
    312,867.53/431,760.18 = 169,627.94/x
  3. Step 3: Cross multiply
    312,867.53x = 431,760.18 × 169,627.94
  4. Step 4: Simplify right side
    312,867.53x = 73,238,591,622.93
  5. Step 5: Solve for x
    x = 73,238,591,622.93/312,867.53
  6. Step 6: Final answer
    x = 234,088.18

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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.