Home / 229,277.98-343,683.69-212,306.86

Finding the Fourth Proportional to 229,277.98, 343,683.69 and 212,306.86

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Solution

The fourth proportional to 229,277.98, 343,683.69 and 212,306.86 is: 318,244.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,277.98 : 343,683.69 = 212,306.86 : x
  2. Step 2: Convert to fraction form
    229,277.98/343,683.69 = 212,306.86/x
  3. Step 3: Cross multiply
    229,277.98x = 343,683.69 × 212,306.86
  4. Step 4: Simplify right side
    229,277.98x = 72,966,405,057.11
  5. Step 5: Solve for x
    x = 72,966,405,057.11/229,277.98
  6. Step 6: Final answer
    x = 318,244.28

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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.