Home / 419,567.03-579,003.27-238,278.94

Finding the Fourth Proportional to 419,567.03, 579,003.27 and 238,278.94

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Solution

The fourth proportional to 419,567.03, 579,003.27 and 238,278.94 is: 328,825.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,567.03 : 579,003.27 = 238,278.94 : x
  2. Step 2: Convert to fraction form
    419,567.03/579,003.27 = 238,278.94/x
  3. Step 3: Cross multiply
    419,567.03x = 579,003.27 × 238,278.94
  4. Step 4: Simplify right side
    419,567.03x = 137,964,285,432.13
  5. Step 5: Solve for x
    x = 137,964,285,432.13/419,567.03
  6. Step 6: Final answer
    x = 328,825.37

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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.