Home / 226,779.37-340,279.71-142,579.12

Finding the Fourth Proportional to 226,779.37, 340,279.71 and 142,579.12

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Solution

The fourth proportional to 226,779.37, 340,279.71 and 142,579.12 is: 213,938.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,779.37 : 340,279.71 = 142,579.12 : x
  2. Step 2: Convert to fraction form
    226,779.37/340,279.71 = 142,579.12/x
  3. Step 3: Cross multiply
    226,779.37x = 340,279.71 × 142,579.12
  4. Step 4: Simplify right side
    226,779.37x = 48,516,781,605.66
  5. Step 5: Solve for x
    x = 48,516,781,605.66/226,779.37
  6. Step 6: Final answer
    x = 213,938.25

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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.