Home / 231,466.40-347,314.80-91,229.60

Finding the Fourth Proportional to 231,466.40, 347,314.80 and 91,229.60

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Solution

The fourth proportional to 231,466.40, 347,314.80 and 91,229.60 is: 136,889.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,466.40 : 347,314.80 = 91,229.60 : x
  2. Step 2: Convert to fraction form
    231,466.40/347,314.80 = 91,229.60/x
  3. Step 3: Cross multiply
    231,466.40x = 347,314.80 × 91,229.60
  4. Step 4: Simplify right side
    231,466.40x = 31,685,390,278.08
  5. Step 5: Solve for x
    x = 31,685,390,278.08/231,466.40
  6. Step 6: Final answer
    x = 136,889.80

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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.