Home / 231,789.50-347,802.90-110,347.47

Finding the Fourth Proportional to 231,789.50, 347,802.90 and 110,347.47

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Solution

The fourth proportional to 231,789.50, 347,802.90 and 110,347.47 is: 165,577.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,789.50 : 347,802.90 = 110,347.47 : x
  2. Step 2: Convert to fraction form
    231,789.50/347,802.90 = 110,347.47/x
  3. Step 3: Cross multiply
    231,789.50x = 347,802.90 × 110,347.47
  4. Step 4: Simplify right side
    231,789.50x = 38,379,171,356.97
  5. Step 5: Solve for x
    x = 38,379,171,356.97/231,789.50
  6. Step 6: Final answer
    x = 165,577.70

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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.