Home / 534,887.20-802,136.40-179,912.80

Finding the Fourth Proportional to 534,887.20, 802,136.40 and 179,912.80

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Solution

The fourth proportional to 534,887.20, 802,136.40 and 179,912.80 is: 269,803.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,887.20 : 802,136.40 = 179,912.80 : x
  2. Step 2: Convert to fraction form
    534,887.20/802,136.40 = 179,912.80/x
  3. Step 3: Cross multiply
    534,887.20x = 802,136.40 × 179,912.80
  4. Step 4: Simplify right side
    534,887.20x = 144,314,605,705.92
  5. Step 5: Solve for x
    x = 144,314,605,705.92/534,887.20
  6. Step 6: Final answer
    x = 269,803.81

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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.