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Finding the Fourth Proportional to 339,737.60, 509,606.40 and 227,763.20

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Solution

The fourth proportional to 339,737.60, 509,606.40 and 227,763.20 is: 341,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,737.60 : 509,606.40 = 227,763.20 : x
  2. Step 2: Convert to fraction form
    339,737.60/509,606.40 = 227,763.20/x
  3. Step 3: Cross multiply
    339,737.60x = 509,606.40 × 227,763.20
  4. Step 4: Simplify right side
    339,737.60x = 116,069,584,404.48
  5. Step 5: Solve for x
    x = 116,069,584,404.48/339,737.60
  6. Step 6: Final answer
    x = 341,644.80

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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.