Home / 397,291.80-547,726.02-269,745.96

Finding the Fourth Proportional to 397,291.80, 547,726.02 and 269,745.96

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Solution

The fourth proportional to 397,291.80, 547,726.02 and 269,745.96 is: 371,885.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,291.80 : 547,726.02 = 269,745.96 : x
  2. Step 2: Convert to fraction form
    397,291.80/547,726.02 = 269,745.96/x
  3. Step 3: Cross multiply
    397,291.80x = 547,726.02 × 269,745.96
  4. Step 4: Simplify right side
    397,291.80x = 147,746,881,081.88
  5. Step 5: Solve for x
    x = 147,746,881,081.88/397,291.80
  6. Step 6: Final answer
    x = 371,885.05

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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.