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Finding the Fourth Proportional to 510,182.11, 765,383.88 and 155,186.91

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Solution

The fourth proportional to 510,182.11, 765,383.88 and 155,186.91 is: 232,814.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,182.11 : 765,383.88 = 155,186.91 : x
  2. Step 2: Convert to fraction form
    510,182.11/765,383.88 = 155,186.91/x
  3. Step 3: Cross multiply
    510,182.11x = 765,383.88 × 155,186.91
  4. Step 4: Simplify right side
    510,182.11x = 118,777,556,999.58
  5. Step 5: Solve for x
    x = 118,777,556,999.58/510,182.11
  6. Step 6: Final answer
    x = 232,814.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.