Home / 247,622.45-341,722.74-134,445.20

Finding the Fourth Proportional to 247,622.45, 341,722.74 and 134,445.20

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Solution

The fourth proportional to 247,622.45, 341,722.74 and 134,445.20 is: 185,536.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,622.45 : 341,722.74 = 134,445.20 : x
  2. Step 2: Convert to fraction form
    247,622.45/341,722.74 = 134,445.20/x
  3. Step 3: Cross multiply
    247,622.45x = 341,722.74 × 134,445.20
  4. Step 4: Simplify right side
    247,622.45x = 45,942,982,123.85
  5. Step 5: Solve for x
    x = 45,942,982,123.85/247,622.45
  6. Step 6: Final answer
    x = 185,536.42

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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.