Home / 369,563.16-509,997.20-199,797.24

Finding the Fourth Proportional to 369,563.16, 509,997.20 and 199,797.24

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Solution

The fourth proportional to 369,563.16, 509,997.20 and 199,797.24 is: 275,720.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,563.16 : 509,997.20 = 199,797.24 : x
  2. Step 2: Convert to fraction form
    369,563.16/509,997.20 = 199,797.24/x
  3. Step 3: Cross multiply
    369,563.16x = 509,997.20 × 199,797.24
  4. Step 4: Simplify right side
    369,563.16x = 101,896,032,967.73
  5. Step 5: Solve for x
    x = 101,896,032,967.73/369,563.16
  6. Step 6: Final answer
    x = 275,720.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.