Home / 229,276.98-343,682.19-212,305.86

Finding the Fourth Proportional to 229,276.98, 343,682.19 and 212,305.86

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Solution

The fourth proportional to 229,276.98, 343,682.19 and 212,305.86 is: 318,242.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,276.98 : 343,682.19 = 212,305.86 : x
  2. Step 2: Convert to fraction form
    229,276.98/343,682.19 = 212,305.86/x
  3. Step 3: Cross multiply
    229,276.98x = 343,682.19 × 212,305.86
  4. Step 4: Simplify right side
    229,276.98x = 72,965,742,914.63
  5. Step 5: Solve for x
    x = 72,965,742,914.63/229,276.98
  6. Step 6: Final answer
    x = 318,242.78

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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.