Home / 231,604.70-347,435.07-81,814.34

Finding the Fourth Proportional to 231,604.70, 347,435.07 and 81,814.34

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Solution

The fourth proportional to 231,604.70, 347,435.07 and 81,814.34 is: 122,731.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,604.70 : 347,435.07 = 81,814.34 : x
  2. Step 2: Convert to fraction form
    231,604.70/347,435.07 = 81,814.34/x
  3. Step 3: Cross multiply
    231,604.70x = 347,435.07 × 81,814.34
  4. Step 4: Simplify right side
    231,604.70x = 28,425,168,798.66
  5. Step 5: Solve for x
    x = 28,425,168,798.66/231,604.70
  6. Step 6: Final answer
    x = 122,731.40

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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.