Home / 228,946.28-315,924.71-126,969.87

Finding the Fourth Proportional to 228,946.28, 315,924.71 and 126,969.87

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Solution

The fourth proportional to 228,946.28, 315,924.71 and 126,969.87 is: 175,206.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,946.28 : 315,924.71 = 126,969.87 : x
  2. Step 2: Convert to fraction form
    228,946.28/315,924.71 = 126,969.87/x
  3. Step 3: Cross multiply
    228,946.28x = 315,924.71 × 126,969.87
  4. Step 4: Simplify right side
    228,946.28x = 40,112,919,358.49
  5. Step 5: Solve for x
    x = 40,112,919,358.49/228,946.28
  6. Step 6: Final answer
    x = 175,206.69

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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.