Home / 336,979.22-505,459.10-137,250.22

Finding the Fourth Proportional to 336,979.22, 505,459.10 and 137,250.22

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Solution

The fourth proportional to 336,979.22, 505,459.10 and 137,250.22 is: 205,871.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,979.22 : 505,459.10 = 137,250.22 : x
  2. Step 2: Convert to fraction form
    336,979.22/505,459.10 = 137,250.22/x
  3. Step 3: Cross multiply
    336,979.22x = 505,459.10 × 137,250.22
  4. Step 4: Simplify right side
    336,979.22x = 69,374,372,676.00
  5. Step 5: Solve for x
    x = 69,374,372,676.00/336,979.22
  6. Step 6: Final answer
    x = 205,871.37

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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.