Home / 239,209.92-330,445.44-226,612.80

Finding the Fourth Proportional to 239,209.92, 330,445.44 and 226,612.80

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Solution

The fourth proportional to 239,209.92, 330,445.44 and 226,612.80 is: 313,043.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,209.92 : 330,445.44 = 226,612.80 : x
  2. Step 2: Convert to fraction form
    239,209.92/330,445.44 = 226,612.80/x
  3. Step 3: Cross multiply
    239,209.92x = 330,445.44 × 226,612.80
  4. Step 4: Simplify right side
    239,209.92x = 74,883,166,405.63
  5. Step 5: Solve for x
    x = 74,883,166,405.63/239,209.92
  6. Step 6: Final answer
    x = 313,043.73

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1.5x scale

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.