Home / 403,209.60-604,790.04-178,504.32

Finding the Fourth Proportional to 403,209.60, 604,790.04 and 178,504.32

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Solution

The fourth proportional to 403,209.60, 604,790.04 and 178,504.32 is: 267,745.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,209.60 : 604,790.04 = 178,504.32 : x
  2. Step 2: Convert to fraction form
    403,209.60/604,790.04 = 178,504.32/x
  3. Step 3: Cross multiply
    403,209.60x = 604,790.04 × 178,504.32
  4. Step 4: Simplify right side
    403,209.60x = 107,957,634,832.97
  5. Step 5: Solve for x
    x = 107,957,634,832.97/403,209.60
  6. Step 6: Final answer
    x = 267,745.70

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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.