Home / 331,699.05-497,708.55-163,127.93

Finding the Fourth Proportional to 331,699.05, 497,708.55 and 163,127.93

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Solution

The fourth proportional to 331,699.05, 497,708.55 and 163,127.93 is: 244,770.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,699.05 : 497,708.55 = 163,127.93 : x
  2. Step 2: Convert to fraction form
    331,699.05/497,708.55 = 163,127.93/x
  3. Step 3: Cross multiply
    331,699.05x = 497,708.55 × 163,127.93
  4. Step 4: Simplify right side
    331,699.05x = 81,190,163,016.26
  5. Step 5: Solve for x
    x = 81,190,163,016.26/331,699.05
  6. Step 6: Final answer
    x = 244,770.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.