Home / 349,131.12-481,801.28-198,228.12

Finding the Fourth Proportional to 349,131.12, 481,801.28 and 198,228.12

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Solution

The fourth proportional to 349,131.12, 481,801.28 and 198,228.12 is: 273,555.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,131.12 : 481,801.28 = 198,228.12 : x
  2. Step 2: Convert to fraction form
    349,131.12/481,801.28 = 198,228.12/x
  3. Step 3: Cross multiply
    349,131.12x = 481,801.28 × 198,228.12
  4. Step 4: Simplify right side
    349,131.12x = 95,506,561,947.99
  5. Step 5: Solve for x
    x = 95,506,561,947.99/349,131.12
  6. Step 6: Final answer
    x = 273,555.00

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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.