Home / 228,845.12-315,694.07-198,587.98

Finding the Fourth Proportional to 228,845.12, 315,694.07 and 198,587.98

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Solution

The fourth proportional to 228,845.12, 315,694.07 and 198,587.98 is: 273,954.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,845.12 : 315,694.07 = 198,587.98 : x
  2. Step 2: Convert to fraction form
    228,845.12/315,694.07 = 198,587.98/x
  3. Step 3: Cross multiply
    228,845.12x = 315,694.07 × 198,587.98
  4. Step 4: Simplify right side
    228,845.12x = 62,693,046,080.81
  5. Step 5: Solve for x
    x = 62,693,046,080.81/228,845.12
  6. Step 6: Final answer
    x = 273,954.04

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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.