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Finding the Fourth Proportional to 365,757.39, 504,541.98 and 212,778.36

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Solution

The fourth proportional to 365,757.39, 504,541.98 and 212,778.36 is: 293,515.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,757.39 : 504,541.98 = 212,778.36 : x
  2. Step 2: Convert to fraction form
    365,757.39/504,541.98 = 212,778.36/x
  3. Step 3: Cross multiply
    365,757.39x = 504,541.98 × 212,778.36
  4. Step 4: Simplify right side
    365,757.39x = 107,355,615,055.55
  5. Step 5: Solve for x
    x = 107,355,615,055.55/365,757.39
  6. Step 6: Final answer
    x = 293,515.92

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1.5x scale

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.