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Finding the Fourth Proportional to 510,284.03, 765,395.28 and 225,891.34

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Solution

The fourth proportional to 510,284.03, 765,395.28 and 225,891.34 is: 338,823.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,284.03 : 765,395.28 = 225,891.34 : x
  2. Step 2: Convert to fraction form
    510,284.03/765,395.28 = 225,891.34/x
  3. Step 3: Cross multiply
    510,284.03x = 765,395.28 × 225,891.34
  4. Step 4: Simplify right side
    510,284.03x = 172,896,163,515.39
  5. Step 5: Solve for x
    x = 172,896,163,515.39/510,284.03
  6. Step 6: Final answer
    x = 338,823.39

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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.