Home / 236,827.40-356,115.90-198,336.20

Finding the Fourth Proportional to 236,827.40, 356,115.90 and 198,336.20

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Solution

The fourth proportional to 236,827.40, 356,115.90 and 198,336.20 is: 298,236.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,827.40 : 356,115.90 = 198,336.20 : x
  2. Step 2: Convert to fraction form
    236,827.40/356,115.90 = 198,336.20/x
  3. Step 3: Cross multiply
    236,827.40x = 356,115.90 × 198,336.20
  4. Step 4: Simplify right side
    236,827.40x = 70,630,674,365.58
  5. Step 5: Solve for x
    x = 70,630,674,365.58/236,827.40
  6. Step 6: Final answer
    x = 298,236.92

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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.