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Finding the Fourth Proportional to 293,399.20, 440,098.80 and 200,087.20

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Solution

The fourth proportional to 293,399.20, 440,098.80 and 200,087.20 is: 300,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,399.20 : 440,098.80 = 200,087.20 : x
  2. Step 2: Convert to fraction form
    293,399.20/440,098.80 = 200,087.20/x
  3. Step 3: Cross multiply
    293,399.20x = 440,098.80 × 200,087.20
  4. Step 4: Simplify right side
    293,399.20x = 88,058,136,615.36
  5. Step 5: Solve for x
    x = 88,058,136,615.36/293,399.20
  6. Step 6: Final answer
    x = 300,130.80

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1.5x scale

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.