Home / 397,634.81-548,731.79-236,486.33

Finding the Fourth Proportional to 397,634.81, 548,731.79 and 236,486.33

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Solution

The fourth proportional to 397,634.81, 548,731.79 and 236,486.33 is: 326,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,634.81 : 548,731.79 = 236,486.33 : x
  2. Step 2: Convert to fraction form
    397,634.81/548,731.79 = 236,486.33/x
  3. Step 3: Cross multiply
    397,634.81x = 548,731.79 × 236,486.33
  4. Step 4: Simplify right side
    397,634.81x = 129,767,563,245.34
  5. Step 5: Solve for x
    x = 129,767,563,245.34/397,634.81
  6. Step 6: Final answer
    x = 326,348.60

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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.