Home / 231,835.40-347,666.70-82,017.80

Finding the Fourth Proportional to 231,835.40, 347,666.70 and 82,017.80

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Solution

The fourth proportional to 231,835.40, 347,666.70 and 82,017.80 is: 122,996.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,835.40 : 347,666.70 = 82,017.80 : x
  2. Step 2: Convert to fraction form
    231,835.40/347,666.70 = 82,017.80/x
  3. Step 3: Cross multiply
    231,835.40x = 347,666.70 × 82,017.80
  4. Step 4: Simplify right side
    231,835.40x = 28,514,857,867.26
  5. Step 5: Solve for x
    x = 28,514,857,867.26/231,835.40
  6. Step 6: Final answer
    x = 122,996.13

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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.