Home / 534,907.20-802,166.40-179,932.80

Finding the Fourth Proportional to 534,907.20, 802,166.40 and 179,932.80

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Solution

The fourth proportional to 534,907.20, 802,166.40 and 179,932.80 is: 269,833.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,907.20 : 802,166.40 = 179,932.80 : x
  2. Step 2: Convert to fraction form
    534,907.20/802,166.40 = 179,932.80/x
  3. Step 3: Cross multiply
    534,907.20x = 802,166.40 × 179,932.80
  4. Step 4: Simplify right side
    534,907.20x = 144,336,046,417.92
  5. Step 5: Solve for x
    x = 144,336,046,417.92/534,907.20
  6. Step 6: Final answer
    x = 269,833.81

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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.