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Finding the Fourth Proportional to 229,317, 343,990.66 and 60,834.96

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Solution

The fourth proportional to 229,317, 343,990.66 and 60,834.96 is: 91,256.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,317 : 343,990.66 = 60,834.96 : x
  2. Step 2: Convert to fraction form
    229,317/343,990.66 = 60,834.96/x
  3. Step 3: Cross multiply
    229,317x = 343,990.66 × 60,834.96
  4. Step 4: Simplify right side
    229,317x = 20,926,658,041.47
  5. Step 5: Solve for x
    x = 20,926,658,041.47/229,317
  6. Step 6: Final answer
    x = 91,256.46

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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.