Home / 343,826.60-515,570.34-141,385.73

Finding the Fourth Proportional to 343,826.60, 515,570.34 and 141,385.73

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Solution

The fourth proportional to 343,826.60, 515,570.34 and 141,385.73 is: 212,008.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,826.60 : 515,570.34 = 141,385.73 : x
  2. Step 2: Convert to fraction form
    343,826.60/515,570.34 = 141,385.73/x
  3. Step 3: Cross multiply
    343,826.60x = 515,570.34 × 141,385.73
  4. Step 4: Simplify right side
    343,826.60x = 72,894,288,887.25
  5. Step 5: Solve for x
    x = 72,894,288,887.25/343,826.60
  6. Step 6: Final answer
    x = 212,008.87

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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.