Home / 228,568.87-315,401.02-126,591.66

Finding the Fourth Proportional to 228,568.87, 315,401.02 and 126,591.66

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Solution

The fourth proportional to 228,568.87, 315,401.02 and 126,591.66 is: 174,683.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,568.87 : 315,401.02 = 126,591.66 : x
  2. Step 2: Convert to fraction form
    228,568.87/315,401.02 = 126,591.66/x
  3. Step 3: Cross multiply
    228,568.87x = 315,401.02 × 126,591.66
  4. Step 4: Simplify right side
    228,568.87x = 39,927,137,110.49
  5. Step 5: Solve for x
    x = 39,927,137,110.49/228,568.87
  6. Step 6: Final answer
    x = 174,683.18

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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.