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Finding the Fourth Proportional to 271,920.96, 375,311.04 and 151,104

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Solution

The fourth proportional to 271,920.96, 375,311.04 and 151,104 is: 208,556.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,920.96 : 375,311.04 = 151,104 : x
  2. Step 2: Convert to fraction form
    271,920.96/375,311.04 = 151,104/x
  3. Step 3: Cross multiply
    271,920.96x = 375,311.04 × 151,104
  4. Step 4: Simplify right side
    271,920.96x = 56,710,999,388.16
  5. Step 5: Solve for x
    x = 56,710,999,388.16/271,920.96
  6. Step 6: Final answer
    x = 208,556.93

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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.