Home / 226,899.20-340,389.32-77,131.62

Finding the Fourth Proportional to 226,899.20, 340,389.32 and 77,131.62

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Solution

The fourth proportional to 226,899.20, 340,389.32 and 77,131.62 is: 115,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,899.20 : 340,389.32 = 77,131.62 : x
  2. Step 2: Convert to fraction form
    226,899.20/340,389.32 = 77,131.62/x
  3. Step 3: Cross multiply
    226,899.20x = 340,389.32 × 77,131.62
  4. Step 4: Simplify right side
    226,899.20x = 26,254,779,682.30
  5. Step 5: Solve for x
    x = 26,254,779,682.30/226,899.20
  6. Step 6: Final answer
    x = 115,711.20

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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.