Home / 271,986.18-375,318.88-157,272.24

Finding the Fourth Proportional to 271,986.18, 375,318.88 and 157,272.24

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Solution

The fourth proportional to 271,986.18, 375,318.88 and 157,272.24 is: 217,022.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,986.18 : 375,318.88 = 157,272.24 : x
  2. Step 2: Convert to fraction form
    271,986.18/375,318.88 = 157,272.24/x
  3. Step 3: Cross multiply
    271,986.18x = 375,318.88 × 157,272.24
  4. Step 4: Simplify right side
    271,986.18x = 59,027,240,971.89
  5. Step 5: Solve for x
    x = 59,027,240,971.89/271,986.18
  6. Step 6: Final answer
    x = 217,022.94

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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.