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Finding the Fourth Proportional to 199,935.60, 299,903.40 and 52,191.60

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Solution

The fourth proportional to 199,935.60, 299,903.40 and 52,191.60 is: 78,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,935.60 : 299,903.40 = 52,191.60 : x
  2. Step 2: Convert to fraction form
    199,935.60/299,903.40 = 52,191.60/x
  3. Step 3: Cross multiply
    199,935.60x = 299,903.40 × 52,191.60
  4. Step 4: Simplify right side
    199,935.60x = 15,652,438,291.44
  5. Step 5: Solve for x
    x = 15,652,438,291.44/199,935.60
  6. Step 6: Final answer
    x = 78,287.40

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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.