Home / 329,884.60-455,246.04-178,981.60

Finding the Fourth Proportional to 329,884.60, 455,246.04 and 178,981.60

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Solution

The fourth proportional to 329,884.60, 455,246.04 and 178,981.60 is: 246,997.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,884.60 : 455,246.04 = 178,981.60 : x
  2. Step 2: Convert to fraction form
    329,884.60/455,246.04 = 178,981.60/x
  3. Step 3: Cross multiply
    329,884.60x = 455,246.04 × 178,981.60
  4. Step 4: Simplify right side
    329,884.60x = 81,480,664,632.86
  5. Step 5: Solve for x
    x = 81,480,664,632.86/329,884.60
  6. Step 6: Final answer
    x = 246,997.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.