Home / 397,239.57-548,270.28-236,063.48

Finding the Fourth Proportional to 397,239.57, 548,270.28 and 236,063.48

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Solution

The fourth proportional to 397,239.57, 548,270.28 and 236,063.48 is: 325,814.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,239.57 : 548,270.28 = 236,063.48 : x
  2. Step 2: Convert to fraction form
    397,239.57/548,270.28 = 236,063.48/x
  3. Step 3: Cross multiply
    397,239.57x = 548,270.28 × 236,063.48
  4. Step 4: Simplify right side
    397,239.57x = 129,426,587,536.02
  5. Step 5: Solve for x
    x = 129,426,587,536.02/397,239.57
  6. Step 6: Final answer
    x = 325,814.94

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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.