Home / 331,936.12-497,904.46-142,273.40

Finding the Fourth Proportional to 331,936.12, 497,904.46 and 142,273.40

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Solution

The fourth proportional to 331,936.12, 497,904.46 and 142,273.40 is: 213,410.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,936.12 : 497,904.46 = 142,273.40 : x
  2. Step 2: Convert to fraction form
    331,936.12/497,904.46 = 142,273.40/x
  3. Step 3: Cross multiply
    331,936.12x = 497,904.46 × 142,273.40
  4. Step 4: Simplify right side
    331,936.12x = 70,838,560,399.36
  5. Step 5: Solve for x
    x = 70,838,560,399.36/331,936.12
  6. Step 6: Final answer
    x = 213,410.22

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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.