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Finding the Fourth Proportional to 551,331.77, 827,048.68 and 214,397.76

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Solution

The fourth proportional to 551,331.77, 827,048.68 and 214,397.76 is: 321,616.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,331.77 : 827,048.68 = 214,397.76 : x
  2. Step 2: Convert to fraction form
    551,331.77/827,048.68 = 214,397.76/x
  3. Step 3: Cross multiply
    551,331.77x = 827,048.68 × 214,397.76
  4. Step 4: Simplify right side
    551,331.77x = 177,317,384,642.32
  5. Step 5: Solve for x
    x = 177,317,384,642.32/551,331.77
  6. Step 6: Final answer
    x = 321,616.49

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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.