Home / 226,310.40-312,359.76-149,832.36

Finding the Fourth Proportional to 226,310.40, 312,359.76 and 149,832.36

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Solution

The fourth proportional to 226,310.40, 312,359.76 and 149,832.36 is: 206,802.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,310.40 : 312,359.76 = 149,832.36 : x
  2. Step 2: Convert to fraction form
    226,310.40/312,359.76 = 149,832.36/x
  3. Step 3: Cross multiply
    226,310.40x = 312,359.76 × 149,832.36
  4. Step 4: Simplify right side
    226,310.40x = 46,801,600,009.83
  5. Step 5: Solve for x
    x = 46,801,600,009.83/226,310.40
  6. Step 6: Final answer
    x = 206,802.69

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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.