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Finding the Fourth Proportional to 401,604.96, 554,209.60 and 229,520.96

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Solution

The fourth proportional to 401,604.96, 554,209.60 and 229,520.96 is: 316,735.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,604.96 : 554,209.60 = 229,520.96 : x
  2. Step 2: Convert to fraction form
    401,604.96/554,209.60 = 229,520.96/x
  3. Step 3: Cross multiply
    401,604.96x = 554,209.60 × 229,520.96
  4. Step 4: Simplify right side
    401,604.96x = 127,202,719,433.22
  5. Step 5: Solve for x
    x = 127,202,719,433.22/401,604.96
  6. Step 6: Final answer
    x = 316,735.93

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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.