Home / 231,787.40-347,058.20-147,089

Finding the Fourth Proportional to 231,787.40, 347,058.20 and 147,089

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Solution

The fourth proportional to 231,787.40, 347,058.20 and 147,089 is: 220,238.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,787.40 : 347,058.20 = 147,089 : x
  2. Step 2: Convert to fraction form
    231,787.40/347,058.20 = 147,089/x
  3. Step 3: Cross multiply
    231,787.40x = 347,058.20 × 147,089
  4. Step 4: Simplify right side
    231,787.40x = 51,048,443,579.80
  5. Step 5: Solve for x
    x = 51,048,443,579.80/231,787.40
  6. Step 6: Final answer
    x = 220,238.22

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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.