Home / 231,816.03-347,724.05-126,577.59

Finding the Fourth Proportional to 231,816.03, 347,724.05 and 126,577.59

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Solution

The fourth proportional to 231,816.03, 347,724.05 and 126,577.59 is: 189,866.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,816.03 : 347,724.05 = 126,577.59 : x
  2. Step 2: Convert to fraction form
    231,816.03/347,724.05 = 126,577.59/x
  3. Step 3: Cross multiply
    231,816.03x = 347,724.05 × 126,577.59
  4. Step 4: Simplify right side
    231,816.03x = 44,014,071,601.15
  5. Step 5: Solve for x
    x = 44,014,071,601.15/231,816.03
  6. Step 6: Final answer
    x = 189,866.39

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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.