Home / 226,695.15-340,030.40-68,911.31

Finding the Fourth Proportional to 226,695.15, 340,030.40 and 68,911.31

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Solution

The fourth proportional to 226,695.15, 340,030.40 and 68,911.31 is: 103,363.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,695.15 : 340,030.40 = 68,911.31 : x
  2. Step 2: Convert to fraction form
    226,695.15/340,030.40 = 68,911.31/x
  3. Step 3: Cross multiply
    226,695.15x = 340,030.40 × 68,911.31
  4. Step 4: Simplify right side
    226,695.15x = 23,431,940,809.34
  5. Step 5: Solve for x
    x = 23,431,940,809.34/226,695.15
  6. Step 6: Final answer
    x = 103,363.22

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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.