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Finding the Fourth Proportional to 207,091.40, 310,637.10 and 195,427.40

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Solution

The fourth proportional to 207,091.40, 310,637.10 and 195,427.40 is: 293,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,091.40 : 310,637.10 = 195,427.40 : x
  2. Step 2: Convert to fraction form
    207,091.40/310,637.10 = 195,427.40/x
  3. Step 3: Cross multiply
    207,091.40x = 310,637.10 × 195,427.40
  4. Step 4: Simplify right side
    207,091.40x = 60,707,000,796.54
  5. Step 5: Solve for x
    x = 60,707,000,796.54/207,091.40
  6. Step 6: Final answer
    x = 293,141.10

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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.