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Finding the Fourth Proportional to 231,651.80, 347,477.70 and 222,794.45

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Solution

The fourth proportional to 231,651.80, 347,477.70 and 222,794.45 is: 334,191.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,651.80 : 347,477.70 = 222,794.45 : x
  2. Step 2: Convert to fraction form
    231,651.80/347,477.70 = 222,794.45/x
  3. Step 3: Cross multiply
    231,651.80x = 347,477.70 × 222,794.45
  4. Step 4: Simplify right side
    231,651.80x = 77,416,103,058.77
  5. Step 5: Solve for x
    x = 77,416,103,058.77/231,651.80
  6. Step 6: Final answer
    x = 334,191.68

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1.5x scale

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.