Home / 343,386.10-515,297.85-201,231.10

Finding the Fourth Proportional to 343,386.10, 515,297.85 and 201,231.10

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Solution

The fourth proportional to 343,386.10, 515,297.85 and 201,231.10 is: 301,974.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,386.10 : 515,297.85 = 201,231.10 : x
  2. Step 2: Convert to fraction form
    343,386.10/515,297.85 = 201,231.10/x
  3. Step 3: Cross multiply
    343,386.10x = 515,297.85 × 201,231.10
  4. Step 4: Simplify right side
    343,386.10x = 103,693,953,183.14
  5. Step 5: Solve for x
    x = 103,693,953,183.14/343,386.10
  6. Step 6: Final answer
    x = 301,974.81

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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.