Home / 357,868.02-493,786.89-204,954.78

Finding the Fourth Proportional to 357,868.02, 493,786.89 and 204,954.78

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Solution

The fourth proportional to 357,868.02, 493,786.89 and 204,954.78 is: 282,796.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,868.02 : 493,786.89 = 204,954.78 : x
  2. Step 2: Convert to fraction form
    357,868.02/493,786.89 = 204,954.78/x
  3. Step 3: Cross multiply
    357,868.02x = 493,786.89 × 204,954.78
  4. Step 4: Simplify right side
    357,868.02x = 101,203,983,406.83
  5. Step 5: Solve for x
    x = 101,203,983,406.83/357,868.02
  6. Step 6: Final answer
    x = 282,796.95

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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.