Home / 395,318.72-545,536-214,025.92

Finding the Fourth Proportional to 395,318.72, 545,536 and 214,025.92

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Solution

The fourth proportional to 395,318.72, 545,536 and 214,025.92 is: 295,353.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,318.72 : 545,536 = 214,025.92 : x
  2. Step 2: Convert to fraction form
    395,318.72/545,536 = 214,025.92/x
  3. Step 3: Cross multiply
    395,318.72x = 545,536 × 214,025.92
  4. Step 4: Simplify right side
    395,318.72x = 116,758,844,293.12
  5. Step 5: Solve for x
    x = 116,758,844,293.12/395,318.72
  6. Step 6: Final answer
    x = 295,353.69

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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.