Home / 936,735-1,405,106.16-226,761.88

Finding the Fourth Proportional to 936,735, 1,405,106.16 and 226,761.88

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Solution

The fourth proportional to 936,735, 1,405,106.16 and 226,761.88 is: 340,143.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,735 : 1,405,106.16 = 226,761.88 : x
  2. Step 2: Convert to fraction form
    936,735/1,405,106.16 = 226,761.88/x
  3. Step 3: Cross multiply
    936,735x = 1,405,106.16 × 226,761.88
  4. Step 4: Simplify right side
    936,735x = 318,624,514,441.18
  5. Step 5: Solve for x
    x = 318,624,514,441.18/936,735
  6. Step 6: Final answer
    x = 340,143.71

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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.