Home / 226,501.20-312,589.16-135,860.72

Finding the Fourth Proportional to 226,501.20, 312,589.16 and 135,860.72

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Solution

The fourth proportional to 226,501.20, 312,589.16 and 135,860.72 is: 187,498.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,501.20 : 312,589.16 = 135,860.72 : x
  2. Step 2: Convert to fraction form
    226,501.20/312,589.16 = 135,860.72/x
  3. Step 3: Cross multiply
    226,501.20x = 312,589.16 × 135,860.72
  4. Step 4: Simplify right side
    226,501.20x = 42,468,588,341.80
  5. Step 5: Solve for x
    x = 42,468,588,341.80/226,501.20
  6. Step 6: Final answer
    x = 187,498.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.