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Finding the Fourth Proportional to 226,420.40, 339,630.60 and 121,444.40

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Solution

The fourth proportional to 226,420.40, 339,630.60 and 121,444.40 is: 182,166.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,420.40 : 339,630.60 = 121,444.40 : x
  2. Step 2: Convert to fraction form
    226,420.40/339,630.60 = 121,444.40/x
  3. Step 3: Cross multiply
    226,420.40x = 339,630.60 × 121,444.40
  4. Step 4: Simplify right side
    226,420.40x = 41,246,234,438.64
  5. Step 5: Solve for x
    x = 41,246,234,438.64/226,420.40
  6. Step 6: Final answer
    x = 182,166.60

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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.