Home / 226,923.40-340,385.10-156,939.40

Finding the Fourth Proportional to 226,923.40, 340,385.10 and 156,939.40

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Solution

The fourth proportional to 226,923.40, 340,385.10 and 156,939.40 is: 235,409.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,923.40 : 340,385.10 = 156,939.40 : x
  2. Step 2: Convert to fraction form
    226,923.40/340,385.10 = 156,939.40/x
  3. Step 3: Cross multiply
    226,923.40x = 340,385.10 × 156,939.40
  4. Step 4: Simplify right side
    226,923.40x = 53,419,833,362.94
  5. Step 5: Solve for x
    x = 53,419,833,362.94/226,923.40
  6. Step 6: Final answer
    x = 235,409.10

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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.