Home / 331,935.86-497,904.10-142,273.15

Finding the Fourth Proportional to 331,935.86, 497,904.10 and 142,273.15

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Solution

The fourth proportional to 331,935.86, 497,904.10 and 142,273.15 is: 213,409.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,935.86 : 497,904.10 = 142,273.15 : x
  2. Step 2: Convert to fraction form
    331,935.86/497,904.10 = 142,273.15/x
  3. Step 3: Cross multiply
    331,935.86x = 497,904.10 × 142,273.15
  4. Step 4: Simplify right side
    331,935.86x = 70,838,383,993.55
  5. Step 5: Solve for x
    x = 70,838,383,993.55/331,935.86
  6. Step 6: Final answer
    x = 213,409.86

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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.