Home / 338,531.22-507,665.52-180,673.56

Finding the Fourth Proportional to 338,531.22, 507,665.52 and 180,673.56

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Solution

The fourth proportional to 338,531.22, 507,665.52 and 180,673.56 is: 270,940.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,531.22 : 507,665.52 = 180,673.56 : x
  2. Step 2: Convert to fraction form
    338,531.22/507,665.52 = 180,673.56/x
  3. Step 3: Cross multiply
    338,531.22x = 507,665.52 × 180,673.56
  4. Step 4: Simplify right side
    338,531.22x = 91,721,736,787.65
  5. Step 5: Solve for x
    x = 91,721,736,787.65/338,531.22
  6. Step 6: Final answer
    x = 270,940.26

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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.