Home / 434,610.60-651,138.30-268,204.20

Finding the Fourth Proportional to 434,610.60, 651,138.30 and 268,204.20

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Solution

The fourth proportional to 434,610.60, 651,138.30 and 268,204.20 is: 401,826.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,610.60 : 651,138.30 = 268,204.20 : x
  2. Step 2: Convert to fraction form
    434,610.60/651,138.30 = 268,204.20/x
  3. Step 3: Cross multiply
    434,610.60x = 651,138.30 × 268,204.20
  4. Step 4: Simplify right side
    434,610.60x = 174,638,026,840.86
  5. Step 5: Solve for x
    x = 174,638,026,840.86/434,610.60
  6. Step 6: Final answer
    x = 401,826.43

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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.