Home / 321,215.10-481,551.71-202,625.03

Finding the Fourth Proportional to 321,215.10, 481,551.71 and 202,625.03

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Solution

The fourth proportional to 321,215.10, 481,551.71 and 202,625.03 is: 303,766.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,215.10 : 481,551.71 = 202,625.03 : x
  2. Step 2: Convert to fraction form
    321,215.10/481,551.71 = 202,625.03/x
  3. Step 3: Cross multiply
    321,215.10x = 481,551.71 × 202,625.03
  4. Step 4: Simplify right side
    321,215.10x = 97,574,426,264.42
  5. Step 5: Solve for x
    x = 97,574,426,264.42/321,215.10
  6. Step 6: Final answer
    x = 303,766.62

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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.