Home / 229,379.05-344,068.62-71,621.02

Finding the Fourth Proportional to 229,379.05, 344,068.62 and 71,621.02

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Solution

The fourth proportional to 229,379.05, 344,068.62 and 71,621.02 is: 107,431.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,379.05 : 344,068.62 = 71,621.02 : x
  2. Step 2: Convert to fraction form
    229,379.05/344,068.62 = 71,621.02/x
  3. Step 3: Cross multiply
    229,379.05x = 344,068.62 × 71,621.02
  4. Step 4: Simplify right side
    229,379.05x = 24,642,545,514.39
  5. Step 5: Solve for x
    x = 24,642,545,514.39/229,379.05
  6. Step 6: Final answer
    x = 107,431.54

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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.