Home / 331,631.37-457,651.31-180,728.25

Finding the Fourth Proportional to 331,631.37, 457,651.31 and 180,728.25

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Solution

The fourth proportional to 331,631.37, 457,651.31 and 180,728.25 is: 249,404.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,631.37 : 457,651.31 = 180,728.25 : x
  2. Step 2: Convert to fraction form
    331,631.37/457,651.31 = 180,728.25/x
  3. Step 3: Cross multiply
    331,631.37x = 457,651.31 × 180,728.25
  4. Step 4: Simplify right side
    331,631.37x = 82,710,519,462.87
  5. Step 5: Solve for x
    x = 82,710,519,462.87/331,631.37
  6. Step 6: Final answer
    x = 249,404.99

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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.