Home / 228,206.36-314,900.54-126,215.61

Finding the Fourth Proportional to 228,206.36, 314,900.54 and 126,215.61

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Solution

The fourth proportional to 228,206.36, 314,900.54 and 126,215.61 is: 174,164.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,206.36 : 314,900.54 = 126,215.61 : x
  2. Step 2: Convert to fraction form
    228,206.36/314,900.54 = 126,215.61/x
  3. Step 3: Cross multiply
    228,206.36x = 314,900.54 × 126,215.61
  4. Step 4: Simplify right side
    228,206.36x = 39,745,363,745.43
  5. Step 5: Solve for x
    x = 39,745,363,745.43/228,206.36
  6. Step 6: Final answer
    x = 174,164.14

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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.