Home / 321,582.15-443,761.74-178,336.89

Finding the Fourth Proportional to 321,582.15, 443,761.74 and 178,336.89

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Solution

The fourth proportional to 321,582.15, 443,761.74 and 178,336.89 is: 246,092.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,582.15 : 443,761.74 = 178,336.89 : x
  2. Step 2: Convert to fraction form
    321,582.15/443,761.74 = 178,336.89/x
  3. Step 3: Cross multiply
    321,582.15x = 443,761.74 × 178,336.89
  4. Step 4: Simplify right side
    321,582.15x = 79,139,088,612.59
  5. Step 5: Solve for x
    x = 79,139,088,612.59/321,582.15
  6. Step 6: Final answer
    x = 246,092.91

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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.