Home / 228,914.74-315,903.03-126,947.44

Finding the Fourth Proportional to 228,914.74, 315,903.03 and 126,947.44

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Solution

The fourth proportional to 228,914.74, 315,903.03 and 126,947.44 is: 175,187.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,914.74 : 315,903.03 = 126,947.44 : x
  2. Step 2: Convert to fraction form
    228,914.74/315,903.03 = 126,947.44/x
  3. Step 3: Cross multiply
    228,914.74x = 315,903.03 × 126,947.44
  4. Step 4: Simplify right side
    228,914.74x = 40,103,080,946.74
  5. Step 5: Solve for x
    x = 40,103,080,946.74/228,914.74
  6. Step 6: Final answer
    x = 175,187.85

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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.