Home / 227,042.50-340,038.87-219,169.30

Finding the Fourth Proportional to 227,042.50, 340,038.87 and 219,169.30

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Solution

The fourth proportional to 227,042.50, 340,038.87 and 219,169.30 is: 328,247.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,042.50 : 340,038.87 = 219,169.30 : x
  2. Step 2: Convert to fraction form
    227,042.50/340,038.87 = 219,169.30/x
  3. Step 3: Cross multiply
    227,042.50x = 340,038.87 × 219,169.30
  4. Step 4: Simplify right side
    227,042.50x = 74,526,081,110.69
  5. Step 5: Solve for x
    x = 74,526,081,110.69/227,042.50
  6. Step 6: Final answer
    x = 328,247.27

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1.5x scale

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.