Home / 271,329.21-405,017.67-251,318.16

Finding the Fourth Proportional to 271,329.21, 405,017.67 and 251,318.16

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Solution

The fourth proportional to 271,329.21, 405,017.67 and 251,318.16 is: 375,146.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,329.21 : 405,017.67 = 251,318.16 : x
  2. Step 2: Convert to fraction form
    271,329.21/405,017.67 = 251,318.16/x
  3. Step 3: Cross multiply
    271,329.21x = 405,017.67 × 251,318.16
  4. Step 4: Simplify right side
    271,329.21x = 101,788,294,335.30
  5. Step 5: Solve for x
    x = 101,788,294,335.30/271,329.21
  6. Step 6: Final answer
    x = 375,146.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.