Home / 397,496.73-548,495.64-268,715.40

Finding the Fourth Proportional to 397,496.73, 548,495.64 and 268,715.40

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Solution

The fourth proportional to 397,496.73, 548,495.64 and 268,715.40 is: 370,793.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,496.73 : 548,495.64 = 268,715.40 : x
  2. Step 2: Convert to fraction form
    397,496.73/548,495.64 = 268,715.40/x
  3. Step 3: Cross multiply
    397,496.73x = 548,495.64 × 268,715.40
  4. Step 4: Simplify right side
    397,496.73x = 147,389,225,300.86
  5. Step 5: Solve for x
    x = 147,389,225,300.86/397,496.73
  6. Step 6: Final answer
    x = 370,793.55

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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.