Home / 403,449.12-605,264.40-122,994.72

Finding the Fourth Proportional to 403,449.12, 605,264.40 and 122,994.72

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Solution

The fourth proportional to 403,449.12, 605,264.40 and 122,994.72 is: 184,519.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,449.12 : 605,264.40 = 122,994.72 : x
  2. Step 2: Convert to fraction form
    403,449.12/605,264.40 = 122,994.72/x
  3. Step 3: Cross multiply
    403,449.12x = 605,264.40 × 122,994.72
  4. Step 4: Simplify right side
    403,449.12x = 74,444,325,403.97
  5. Step 5: Solve for x
    x = 74,444,325,403.97/403,449.12
  6. Step 6: Final answer
    x = 184,519.74

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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.