Home / 229,780.87-344,682.27-72,010.69

Finding the Fourth Proportional to 229,780.87, 344,682.27 and 72,010.69

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Solution

The fourth proportional to 229,780.87, 344,682.27 and 72,010.69 is: 108,019.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,780.87 : 344,682.27 = 72,010.69 : x
  2. Step 2: Convert to fraction form
    229,780.87/344,682.27 = 72,010.69/x
  3. Step 3: Cross multiply
    229,780.87x = 344,682.27 × 72,010.69
  4. Step 4: Simplify right side
    229,780.87x = 24,820,807,231.76
  5. Step 5: Solve for x
    x = 24,820,807,231.76/229,780.87
  6. Step 6: Final answer
    x = 108,019.47

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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.