Home / 228,341.36-315,103.28-126,371.10

Finding the Fourth Proportional to 228,341.36, 315,103.28 and 126,371.10

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Solution

The fourth proportional to 228,341.36, 315,103.28 and 126,371.10 is: 174,387.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,341.36 : 315,103.28 = 126,371.10 : x
  2. Step 2: Convert to fraction form
    228,341.36/315,103.28 = 126,371.10/x
  3. Step 3: Cross multiply
    228,341.36x = 315,103.28 × 126,371.10
  4. Step 4: Simplify right side
    228,341.36x = 39,819,948,107.21
  5. Step 5: Solve for x
    x = 39,819,948,107.21/228,341.36
  6. Step 6: Final answer
    x = 174,387.80

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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.