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Finding the Fourth Proportional to 418,169.58, 577,072.50 and 227,181.30

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Solution

The fourth proportional to 418,169.58, 577,072.50 and 227,181.30 is: 313,509.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,169.58 : 577,072.50 = 227,181.30 : x
  2. Step 2: Convert to fraction form
    418,169.58/577,072.50 = 227,181.30/x
  3. Step 3: Cross multiply
    418,169.58x = 577,072.50 × 227,181.30
  4. Step 4: Simplify right side
    418,169.58x = 131,100,080,744.25
  5. Step 5: Solve for x
    x = 131,100,080,744.25/418,169.58
  6. Step 6: Final answer
    x = 313,509.37

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1.5x scale

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.