Home / 403,787.30-605,535.15-204,041.30

Finding the Fourth Proportional to 403,787.30, 605,535.15 and 204,041.30

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Solution

The fourth proportional to 403,787.30, 605,535.15 and 204,041.30 is: 305,988.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,787.30 : 605,535.15 = 204,041.30 : x
  2. Step 2: Convert to fraction form
    403,787.30/605,535.15 = 204,041.30/x
  3. Step 3: Cross multiply
    403,787.30x = 605,535.15 × 204,041.30
  4. Step 4: Simplify right side
    403,787.30x = 123,554,179,201.70
  5. Step 5: Solve for x
    x = 123,554,179,201.70/403,787.30
  6. Step 6: Final answer
    x = 305,988.27

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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.