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Finding the Fourth Proportional to 419,613.36, 579,059.10 and 228,628.14

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Solution

The fourth proportional to 419,613.36, 579,059.10 and 228,628.14 is: 315,502.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,613.36 : 579,059.10 = 228,628.14 : x
  2. Step 2: Convert to fraction form
    419,613.36/579,059.10 = 228,628.14/x
  3. Step 3: Cross multiply
    419,613.36x = 579,059.10 × 228,628.14
  4. Step 4: Simplify right side
    419,613.36x = 132,389,204,983.07
  5. Step 5: Solve for x
    x = 132,389,204,983.07/419,613.36
  6. Step 6: Final answer
    x = 315,502.84

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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.