Home / 397,025.31-595,388.91-144,243.36

Finding the Fourth Proportional to 397,025.31, 595,388.91 and 144,243.36

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Solution

The fourth proportional to 397,025.31, 595,388.91 and 144,243.36 is: 216,310.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,025.31 : 595,388.91 = 144,243.36 : x
  2. Step 2: Convert to fraction form
    397,025.31/595,388.91 = 144,243.36/x
  3. Step 3: Cross multiply
    397,025.31x = 595,388.91 × 144,243.36
  4. Step 4: Simplify right side
    397,025.31x = 85,880,896,885.14
  5. Step 5: Solve for x
    x = 85,880,896,885.14/397,025.31
  6. Step 6: Final answer
    x = 216,310.89

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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.