Home / 228,717.45-315,631.94-126,744.62

Finding the Fourth Proportional to 228,717.45, 315,631.94 and 126,744.62

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Solution

The fourth proportional to 228,717.45, 315,631.94 and 126,744.62 is: 174,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,717.45 : 315,631.94 = 126,744.62 : x
  2. Step 2: Convert to fraction form
    228,717.45/315,631.94 = 126,744.62/x
  3. Step 3: Cross multiply
    228,717.45x = 315,631.94 × 126,744.62
  4. Step 4: Simplify right side
    228,717.45x = 40,004,648,083.28
  5. Step 5: Solve for x
    x = 40,004,648,083.28/228,717.45
  6. Step 6: Final answer
    x = 174,908.60

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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.