Home / 329,822.66-455,156.13-178,919.66

Finding the Fourth Proportional to 329,822.66, 455,156.13 and 178,919.66

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Solution

The fourth proportional to 329,822.66, 455,156.13 and 178,919.66 is: 246,909.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,822.66 : 455,156.13 = 178,919.66 : x
  2. Step 2: Convert to fraction form
    329,822.66/455,156.13 = 178,919.66/x
  3. Step 3: Cross multiply
    329,822.66x = 455,156.13 × 178,919.66
  4. Step 4: Simplify right side
    329,822.66x = 81,436,377,750.74
  5. Step 5: Solve for x
    x = 81,436,377,750.74/329,822.66
  6. Step 6: Final answer
    x = 246,909.59

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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.