Home / 938,215.71-1,407,311.28-228,244.50

Finding the Fourth Proportional to 938,215.71, 1,407,311.28 and 228,244.50

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Solution

The fourth proportional to 938,215.71, 1,407,311.28 and 228,244.50 is: 342,363.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,215.71 : 1,407,311.28 = 228,244.50 : x
  2. Step 2: Convert to fraction form
    938,215.71/1,407,311.28 = 228,244.50/x
  3. Step 3: Cross multiply
    938,215.71x = 1,407,311.28 × 228,244.50
  4. Step 4: Simplify right side
    938,215.71x = 321,211,059,447.96
  5. Step 5: Solve for x
    x = 321,211,059,447.96/938,215.71
  6. Step 6: Final answer
    x = 342,363.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.