Home / 322,851.03-446,148.90-242,138.43

Finding the Fourth Proportional to 322,851.03, 446,148.90 and 242,138.43

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Solution

The fourth proportional to 322,851.03, 446,148.90 and 242,138.43 is: 334,611.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,851.03 : 446,148.90 = 242,138.43 : x
  2. Step 2: Convert to fraction form
    322,851.03/446,148.90 = 242,138.43/x
  3. Step 3: Cross multiply
    322,851.03x = 446,148.90 × 242,138.43
  4. Step 4: Simplify right side
    322,851.03x = 108,029,794,192.23
  5. Step 5: Solve for x
    x = 108,029,794,192.23/322,851.03
  6. Step 6: Final answer
    x = 334,611.89

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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.