Home / 439,869.80-607,027.38-238,665.80

Finding the Fourth Proportional to 439,869.80, 607,027.38 and 238,665.80

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Solution

The fourth proportional to 439,869.80, 607,027.38 and 238,665.80 is: 329,362.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,869.80 : 607,027.38 = 238,665.80 : x
  2. Step 2: Convert to fraction form
    439,869.80/607,027.38 = 238,665.80/x
  3. Step 3: Cross multiply
    439,869.80x = 607,027.38 × 238,665.80
  4. Step 4: Simplify right side
    439,869.80x = 144,876,675,269.60
  5. Step 5: Solve for x
    x = 144,876,675,269.60/439,869.80
  6. Step 6: Final answer
    x = 329,362.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.