Home / 236,440.20-354,660.30-229,879.20

Finding the Fourth Proportional to 236,440.20, 354,660.30 and 229,879.20

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Solution

The fourth proportional to 236,440.20, 354,660.30 and 229,879.20 is: 344,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,440.20 : 354,660.30 = 229,879.20 : x
  2. Step 2: Convert to fraction form
    236,440.20/354,660.30 = 229,879.20/x
  3. Step 3: Cross multiply
    236,440.20x = 354,660.30 × 229,879.20
  4. Step 4: Simplify right side
    236,440.20x = 81,529,026,035.76
  5. Step 5: Solve for x
    x = 81,529,026,035.76/236,440.20
  6. Step 6: Final answer
    x = 344,818.80

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1.5x scale

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.