Home / 403,775.20-605,734.12-166,985.20

Finding the Fourth Proportional to 403,775.20, 605,734.12 and 166,985.20

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Solution

The fourth proportional to 403,775.20, 605,734.12 and 166,985.20 is: 250,507.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,775.20 : 605,734.12 = 166,985.20 : x
  2. Step 2: Convert to fraction form
    403,775.20/605,734.12 = 166,985.20/x
  3. Step 3: Cross multiply
    403,775.20x = 605,734.12 × 166,985.20
  4. Step 4: Simplify right side
    403,775.20x = 101,148,633,175.02
  5. Step 5: Solve for x
    x = 101,148,633,175.02/403,775.20
  6. Step 6: Final answer
    x = 250,507.30

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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.