Home / 338,795.46-507,515.56-203,784.97

Finding the Fourth Proportional to 338,795.46, 507,515.56 and 203,784.97

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Solution

The fourth proportional to 338,795.46, 507,515.56 and 203,784.97 is: 305,269.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,795.46 : 507,515.56 = 203,784.97 : x
  2. Step 2: Convert to fraction form
    338,795.46/507,515.56 = 203,784.97/x
  3. Step 3: Cross multiply
    338,795.46x = 507,515.56 × 203,784.97
  4. Step 4: Simplify right side
    338,795.46x = 103,424,043,169.13
  5. Step 5: Solve for x
    x = 103,424,043,169.13/338,795.46
  6. Step 6: Final answer
    x = 305,269.86

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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.