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Finding the Fourth Proportional to 351,223.70, 526,512.62 and 126,529.20

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Solution

The fourth proportional to 351,223.70, 526,512.62 and 126,529.20 is: 189,677.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,223.70 : 526,512.62 = 126,529.20 : x
  2. Step 2: Convert to fraction form
    351,223.70/526,512.62 = 126,529.20/x
  3. Step 3: Cross multiply
    351,223.70x = 526,512.62 × 126,529.20
  4. Step 4: Simplify right side
    351,223.70x = 66,619,220,598.50
  5. Step 5: Solve for x
    x = 66,619,220,598.50/351,223.70
  6. Step 6: Final answer
    x = 189,677.46

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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.