Home / 331,937.36-497,906.34-142,274.65

Finding the Fourth Proportional to 331,937.36, 497,906.34 and 142,274.65

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Solution

The fourth proportional to 331,937.36, 497,906.34 and 142,274.65 is: 213,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,937.36 : 497,906.34 = 142,274.65 : x
  2. Step 2: Convert to fraction form
    331,937.36/497,906.34 = 142,274.65/x
  3. Step 3: Cross multiply
    331,937.36x = 497,906.34 × 142,274.65
  4. Step 4: Simplify right side
    331,937.36x = 70,839,450,256.28
  5. Step 5: Solve for x
    x = 70,839,450,256.28/331,937.36
  6. Step 6: Final answer
    x = 213,412.10

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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.