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Finding the Fourth Proportional to 339,254.40, 508,687.20 and 102,561.60

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Solution

The fourth proportional to 339,254.40, 508,687.20 and 102,561.60 is: 153,783.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,254.40 : 508,687.20 = 102,561.60 : x
  2. Step 2: Convert to fraction form
    339,254.40/508,687.20 = 102,561.60/x
  3. Step 3: Cross multiply
    339,254.40x = 508,687.20 × 102,561.60
  4. Step 4: Simplify right side
    339,254.40x = 52,171,773,131.52
  5. Step 5: Solve for x
    x = 52,171,773,131.52/339,254.40
  6. Step 6: Final answer
    x = 153,783.63

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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.