Home / 397,773.02-548,916.18-216,481.03

Finding the Fourth Proportional to 397,773.02, 548,916.18 and 216,481.03

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Solution

The fourth proportional to 397,773.02, 548,916.18 and 216,481.03 is: 298,738.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,773.02 : 548,916.18 = 216,481.03 : x
  2. Step 2: Convert to fraction form
    397,773.02/548,916.18 = 216,481.03/x
  3. Step 3: Cross multiply
    397,773.02x = 548,916.18 × 216,481.03
  4. Step 4: Simplify right side
    397,773.02x = 118,829,940,030.07
  5. Step 5: Solve for x
    x = 118,829,940,030.07/397,773.02
  6. Step 6: Final answer
    x = 298,738.06

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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.