Home / 347,829.90-479,782.23-238,881.66

Finding the Fourth Proportional to 347,829.90, 479,782.23 and 238,881.66

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Solution

The fourth proportional to 347,829.90, 479,782.23 and 238,881.66 is: 329,503.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,829.90 : 479,782.23 = 238,881.66 : x
  2. Step 2: Convert to fraction form
    347,829.90/479,782.23 = 238,881.66/x
  3. Step 3: Cross multiply
    347,829.90x = 479,782.23 × 238,881.66
  4. Step 4: Simplify right side
    347,829.90x = 114,611,175,540.90
  5. Step 5: Solve for x
    x = 114,611,175,540.90/347,829.90
  6. Step 6: Final answer
    x = 329,503.52

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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.