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Finding the Fourth Proportional to 403,090.32, 603,306.72 and 222,898.56

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Solution

The fourth proportional to 403,090.32, 603,306.72 and 222,898.56 is: 333,613.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,090.32 : 603,306.72 = 222,898.56 : x
  2. Step 2: Convert to fraction form
    403,090.32/603,306.72 = 222,898.56/x
  3. Step 3: Cross multiply
    403,090.32x = 603,306.72 × 222,898.56
  4. Step 4: Simplify right side
    403,090.32x = 134,476,199,126.32
  5. Step 5: Solve for x
    x = 134,476,199,126.32/403,090.32
  6. Step 6: Final answer
    x = 333,613.07

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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.