Home / 403,841.02-605,739.60-123,336.40

Finding the Fourth Proportional to 403,841.02, 605,739.60 and 123,336.40

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Solution

The fourth proportional to 403,841.02, 605,739.60 and 123,336.40 is: 184,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,841.02 : 605,739.60 = 123,336.40 : x
  2. Step 2: Convert to fraction form
    403,841.02/605,739.60 = 123,336.40/x
  3. Step 3: Cross multiply
    403,841.02x = 605,739.60 × 123,336.40
  4. Step 4: Simplify right side
    403,841.02x = 74,709,741,601.44
  5. Step 5: Solve for x
    x = 74,709,741,601.44/403,841.02
  6. Step 6: Final answer
    x = 184,997.90

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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.