Home / 397,380.47-548,387.62-216,094.37

Finding the Fourth Proportional to 397,380.47, 548,387.62 and 216,094.37

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Solution

The fourth proportional to 397,380.47, 548,387.62 and 216,094.37 is: 298,211.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,380.47 : 548,387.62 = 216,094.37 : x
  2. Step 2: Convert to fraction form
    397,380.47/548,387.62 = 216,094.37/x
  3. Step 3: Cross multiply
    397,380.47x = 548,387.62 × 216,094.37
  4. Step 4: Simplify right side
    397,380.47x = 118,503,473,977.53
  5. Step 5: Solve for x
    x = 118,503,473,977.53/397,380.47
  6. Step 6: Final answer
    x = 298,211.62

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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.