Home / 403,622.20-605,433.30-167,426.20

Finding the Fourth Proportional to 403,622.20, 605,433.30 and 167,426.20

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Solution

The fourth proportional to 403,622.20, 605,433.30 and 167,426.20 is: 251,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,622.20 : 605,433.30 = 167,426.20 : x
  2. Step 2: Convert to fraction form
    403,622.20/605,433.30 = 167,426.20/x
  3. Step 3: Cross multiply
    403,622.20x = 605,433.30 × 167,426.20
  4. Step 4: Simplify right side
    403,622.20x = 101,365,396,772.46
  5. Step 5: Solve for x
    x = 101,365,396,772.46/403,622.20
  6. Step 6: Final answer
    x = 251,139.30

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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.