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Finding the Fourth Proportional to 404,520.08, 558,002.03 and 259,274.12

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Solution

The fourth proportional to 404,520.08, 558,002.03 and 259,274.12 is: 357,647.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,520.08 : 558,002.03 = 259,274.12 : x
  2. Step 2: Convert to fraction form
    404,520.08/558,002.03 = 259,274.12/x
  3. Step 3: Cross multiply
    404,520.08x = 558,002.03 × 259,274.12
  4. Step 4: Simplify right side
    404,520.08x = 144,675,481,200.08
  5. Step 5: Solve for x
    x = 144,675,481,200.08/404,520.08
  6. Step 6: Final answer
    x = 357,647.22

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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.