Home / 371,474.30-557,291.46-115,301.54

Finding the Fourth Proportional to 371,474.30, 557,291.46 and 115,301.54

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Solution

The fourth proportional to 371,474.30, 557,291.46 and 115,301.54 is: 172,977.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,474.30 : 557,291.46 = 115,301.54 : x
  2. Step 2: Convert to fraction form
    371,474.30/557,291.46 = 115,301.54/x
  3. Step 3: Cross multiply
    371,474.30x = 557,291.46 × 115,301.54
  4. Step 4: Simplify right side
    371,474.30x = 64,256,563,566.85
  5. Step 5: Solve for x
    x = 64,256,563,566.85/371,474.30
  6. Step 6: Final answer
    x = 172,977.14

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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.