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Finding the Fourth Proportional to 510,243.30, 765,537.89 and 225,894.62

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Solution

The fourth proportional to 510,243.30, 765,537.89 and 225,894.62 is: 338,918.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,243.30 : 765,537.89 = 225,894.62 : x
  2. Step 2: Convert to fraction form
    510,243.30/765,537.89 = 225,894.62/x
  3. Step 3: Cross multiply
    510,243.30x = 765,537.89 × 225,894.62
  4. Step 4: Simplify right side
    510,243.30x = 172,930,891,541.52
  5. Step 5: Solve for x
    x = 172,930,891,541.52/510,243.30
  6. Step 6: Final answer
    x = 338,918.50

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1.5x scale

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.