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Finding the Fourth Proportional to 271,587.90, 373,461.93 and 235,715.43

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Solution

The fourth proportional to 271,587.90, 373,461.93 and 235,715.43 is: 324,133.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,587.90 : 373,461.93 = 235,715.43 : x
  2. Step 2: Convert to fraction form
    271,587.90/373,461.93 = 235,715.43/x
  3. Step 3: Cross multiply
    271,587.90x = 373,461.93 × 235,715.43
  4. Step 4: Simplify right side
    271,587.90x = 88,030,739,418.58
  5. Step 5: Solve for x
    x = 88,030,739,418.58/271,587.90
  6. Step 6: Final answer
    x = 324,133.51

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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.