Home / 534,905.10-802,394.10-170,137.80

Finding the Fourth Proportional to 534,905.10, 802,394.10 and 170,137.80

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Solution

The fourth proportional to 534,905.10, 802,394.10 and 170,137.80 is: 255,218.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,905.10 : 802,394.10 = 170,137.80 : x
  2. Step 2: Convert to fraction form
    534,905.10/802,394.10 = 170,137.80/x
  3. Step 3: Cross multiply
    534,905.10x = 802,394.10 × 170,137.80
  4. Step 4: Simplify right side
    534,905.10x = 136,517,566,906.98
  5. Step 5: Solve for x
    x = 136,517,566,906.98/534,905.10
  6. Step 6: Final answer
    x = 255,218.29

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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.