Home / 228,512.20-342,838.32-102,258.72

Finding the Fourth Proportional to 228,512.20, 342,838.32 and 102,258.72

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Solution

The fourth proportional to 228,512.20, 342,838.32 and 102,258.72 is: 153,419.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,512.20 : 342,838.32 = 102,258.72 : x
  2. Step 2: Convert to fraction form
    228,512.20/342,838.32 = 102,258.72/x
  3. Step 3: Cross multiply
    228,512.20x = 342,838.32 × 102,258.72
  4. Step 4: Simplify right side
    228,512.20x = 35,058,207,770.15
  5. Step 5: Solve for x
    x = 35,058,207,770.15/228,512.20
  6. Step 6: Final answer
    x = 153,419.41

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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.