Home / 336,761.32-505,236.75-147,238.33

Finding the Fourth Proportional to 336,761.32, 505,236.75 and 147,238.33

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Solution

The fourth proportional to 336,761.32, 505,236.75 and 147,238.33 is: 220,898.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,761.32 : 505,236.75 = 147,238.33 : x
  2. Step 2: Convert to fraction form
    336,761.32/505,236.75 = 147,238.33/x
  3. Step 3: Cross multiply
    336,761.32x = 505,236.75 × 147,238.33
  4. Step 4: Simplify right side
    336,761.32x = 74,390,215,324.63
  5. Step 5: Solve for x
    x = 74,390,215,324.63/336,761.32
  6. Step 6: Final answer
    x = 220,898.93

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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.