Home / 331,442.24-457,389.60-180,538.88

Finding the Fourth Proportional to 331,442.24, 457,389.60 and 180,538.88

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Solution

The fourth proportional to 331,442.24, 457,389.60 and 180,538.88 is: 249,143.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,442.24 : 457,389.60 = 180,538.88 : x
  2. Step 2: Convert to fraction form
    331,442.24/457,389.60 = 180,538.88/x
  3. Step 3: Cross multiply
    331,442.24x = 457,389.60 × 180,538.88
  4. Step 4: Simplify right side
    331,442.24x = 82,576,606,107.65
  5. Step 5: Solve for x
    x = 82,576,606,107.65/331,442.24
  6. Step 6: Final answer
    x = 249,143.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.