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Finding the Fourth Proportional to 301,027.79, 450,655.93 and 200,939.74

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Solution

The fourth proportional to 301,027.79, 450,655.93 and 200,939.74 is: 300,818.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,027.79 : 450,655.93 = 200,939.74 : x
  2. Step 2: Convert to fraction form
    301,027.79/450,655.93 = 200,939.74/x
  3. Step 3: Cross multiply
    301,027.79x = 450,655.93 × 200,939.74
  4. Step 4: Simplify right side
    301,027.79x = 90,554,685,403.66
  5. Step 5: Solve for x
    x = 90,554,685,403.66/301,027.79
  6. Step 6: Final answer
    x = 300,818.36

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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.