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Finding the Fourth Proportional to 345,993.96, 519,006.56 and 106,090.34

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Solution

The fourth proportional to 345,993.96, 519,006.56 and 106,090.34 is: 159,140.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,993.96 : 519,006.56 = 106,090.34 : x
  2. Step 2: Convert to fraction form
    345,993.96/519,006.56 = 106,090.34/x
  3. Step 3: Cross multiply
    345,993.96x = 519,006.56 × 106,090.34
  4. Step 4: Simplify right side
    345,993.96x = 55,061,582,412.63
  5. Step 5: Solve for x
    x = 55,061,582,412.63/345,993.96
  6. Step 6: Final answer
    x = 159,140.30

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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.