Home / 231,564.90-347,333.96-89,382.36

Finding the Fourth Proportional to 231,564.90, 347,333.96 and 89,382.36

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Solution

The fourth proportional to 231,564.90, 347,333.96 and 89,382.36 is: 134,068.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,564.90 : 347,333.96 = 89,382.36 : x
  2. Step 2: Convert to fraction form
    231,564.90/347,333.96 = 89,382.36/x
  3. Step 3: Cross multiply
    231,564.90x = 347,333.96 × 89,382.36
  4. Step 4: Simplify right side
    231,564.90x = 31,045,529,052.95
  5. Step 5: Solve for x
    x = 31,045,529,052.95/231,564.90
  6. Step 6: Final answer
    x = 134,068.37

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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.