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Finding the Fourth Proportional to 340,956.56, 511,416.41 and 104,299.26

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Solution

The fourth proportional to 340,956.56, 511,416.41 and 104,299.26 is: 156,443.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,956.56 : 511,416.41 = 104,299.26 : x
  2. Step 2: Convert to fraction form
    340,956.56/511,416.41 = 104,299.26/x
  3. Step 3: Cross multiply
    340,956.56x = 511,416.41 × 104,299.26
  4. Step 4: Simplify right side
    340,956.56x = 53,340,352,593.36
  5. Step 5: Solve for x
    x = 53,340,352,593.36/340,956.56
  6. Step 6: Final answer
    x = 156,443.25

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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.