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Finding the Fourth Proportional to 418,175.96, 577,085.58 and 227,189.30

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Solution

The fourth proportional to 418,175.96, 577,085.58 and 227,189.30 is: 313,522.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,175.96 : 577,085.58 = 227,189.30 : x
  2. Step 2: Convert to fraction form
    418,175.96/577,085.58 = 227,189.30/x
  3. Step 3: Cross multiply
    418,175.96x = 577,085.58 × 227,189.30
  4. Step 4: Simplify right side
    418,175.96x = 131,107,666,074.87
  5. Step 5: Solve for x
    x = 131,107,666,074.87/418,175.96
  6. Step 6: Final answer
    x = 313,522.73

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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.