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Finding the Fourth Proportional to 300,738.86, 451,208.99 and 98,344.29

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Solution

The fourth proportional to 300,738.86, 451,208.99 and 98,344.29 is: 147,549.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,738.86 : 451,208.99 = 98,344.29 : x
  2. Step 2: Convert to fraction form
    300,738.86/451,208.99 = 98,344.29/x
  3. Step 3: Cross multiply
    300,738.86x = 451,208.99 × 98,344.29
  4. Step 4: Simplify right side
    300,738.86x = 44,373,827,271.45
  5. Step 5: Solve for x
    x = 44,373,827,271.45/300,738.86
  6. Step 6: Final answer
    x = 147,549.37

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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.