Home / 397,496.47-548,495.29-268,715.16

Finding the Fourth Proportional to 397,496.47, 548,495.29 and 268,715.16

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Solution

The fourth proportional to 397,496.47, 548,495.29 and 268,715.16 is: 370,793.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,496.47 : 548,495.29 = 268,715.16 : x
  2. Step 2: Convert to fraction form
    397,496.47/548,495.29 = 268,715.16/x
  3. Step 3: Cross multiply
    397,496.47x = 548,495.29 × 268,715.16
  4. Step 4: Simplify right side
    397,496.47x = 147,388,999,611.60
  5. Step 5: Solve for x
    x = 147,388,999,611.60/397,496.47
  6. Step 6: Final answer
    x = 370,793.23

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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.