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Finding the Fourth Proportional to 409,847.82, 565,588.89 and 228,559.96

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Solution

The fourth proportional to 409,847.82, 565,588.89 and 228,559.96 is: 315,412.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,847.82 : 565,588.89 = 228,559.96 : x
  2. Step 2: Convert to fraction form
    409,847.82/565,588.89 = 228,559.96/x
  3. Step 3: Cross multiply
    409,847.82x = 565,588.89 × 228,559.96
  4. Step 4: Simplify right side
    409,847.82x = 129,270,971,246.90
  5. Step 5: Solve for x
    x = 129,270,971,246.90/409,847.82
  6. Step 6: Final answer
    x = 315,412.13

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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.