Home / 397,345.73-548,329.34-216,056.07

Finding the Fourth Proportional to 397,345.73, 548,329.34 and 216,056.07

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Solution

The fourth proportional to 397,345.73, 548,329.34 and 216,056.07 is: 298,153.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,345.73 : 548,329.34 = 216,056.07 : x
  2. Step 2: Convert to fraction form
    397,345.73/548,329.34 = 216,056.07/x
  3. Step 3: Cross multiply
    397,345.73x = 548,329.34 × 216,056.07
  4. Step 4: Simplify right side
    397,345.73x = 118,469,882,806.23
  5. Step 5: Solve for x
    x = 118,469,882,806.23/397,345.73
  6. Step 6: Final answer
    x = 298,153.16

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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.