Home / 338,370.23-507,001.64-204,845.78

Finding the Fourth Proportional to 338,370.23, 507,001.64 and 204,845.78

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Solution

The fourth proportional to 338,370.23, 507,001.64 and 204,845.78 is: 306,933.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,370.23 : 507,001.64 = 204,845.78 : x
  2. Step 2: Convert to fraction form
    338,370.23/507,001.64 = 204,845.78/x
  3. Step 3: Cross multiply
    338,370.23x = 507,001.64 × 204,845.78
  4. Step 4: Simplify right side
    338,370.23x = 103,857,142,847.84
  5. Step 5: Solve for x
    x = 103,857,142,847.84/338,370.23
  6. Step 6: Final answer
    x = 306,933.46

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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.