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Finding the Fourth Proportional to 435,042.50, 651,791.31 and 181,765.42

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Solution

The fourth proportional to 435,042.50, 651,791.31 and 181,765.42 is: 272,325.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,042.50 : 651,791.31 = 181,765.42 : x
  2. Step 2: Convert to fraction form
    435,042.50/651,791.31 = 181,765.42/x
  3. Step 3: Cross multiply
    435,042.50x = 651,791.31 × 181,765.42
  4. Step 4: Simplify right side
    435,042.50x = 118,473,118,903.40
  5. Step 5: Solve for x
    x = 118,473,118,903.40/435,042.50
  6. Step 6: Final answer
    x = 272,325.39

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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.