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Finding the Fourth Proportional to 300,293.84, 450,566.30 and 131,727.16

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Solution

The fourth proportional to 300,293.84, 450,566.30 and 131,727.16 is: 197,645.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,293.84 : 450,566.30 = 131,727.16 : x
  2. Step 2: Convert to fraction form
    300,293.84/450,566.30 = 131,727.16/x
  3. Step 3: Cross multiply
    300,293.84x = 450,566.30 × 131,727.16
  4. Step 4: Simplify right side
    300,293.84x = 59,351,819,090.71
  5. Step 5: Solve for x
    x = 59,351,819,090.71/300,293.84
  6. Step 6: Final answer
    x = 197,645.81

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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.