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Finding the Fourth Proportional to 555,212.16, 766,192.62 and 300,563.16

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Solution

The fourth proportional to 555,212.16, 766,192.62 and 300,563.16 is: 414,777.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,212.16 : 766,192.62 = 300,563.16 : x
  2. Step 2: Convert to fraction form
    555,212.16/766,192.62 = 300,563.16/x
  3. Step 3: Cross multiply
    555,212.16x = 766,192.62 × 300,563.16
  4. Step 4: Simplify right side
    555,212.16x = 230,289,275,035.88
  5. Step 5: Solve for x
    x = 230,289,275,035.88/555,212.16
  6. Step 6: Final answer
    x = 414,777.07

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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.