Home / 397,383.03-548,412.47-234,148.31

Finding the Fourth Proportional to 397,383.03, 548,412.47 and 234,148.31

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Solution

The fourth proportional to 397,383.03, 548,412.47 and 234,148.31 is: 323,138.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,383.03 : 548,412.47 = 234,148.31 : x
  2. Step 2: Convert to fraction form
    397,383.03/548,412.47 = 234,148.31/x
  3. Step 3: Cross multiply
    397,383.03x = 548,412.47 × 234,148.31
  4. Step 4: Simplify right side
    397,383.03x = 128,409,849,120.62
  5. Step 5: Solve for x
    x = 128,409,849,120.62/397,383.03
  6. Step 6: Final answer
    x = 323,138.73

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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.