Home / 293,721.17-405,355.25-166,397.81

Finding the Fourth Proportional to 293,721.17, 405,355.25 and 166,397.81

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Solution

The fourth proportional to 293,721.17, 405,355.25 and 166,397.81 is: 229,640.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,721.17 : 405,355.25 = 166,397.81 : x
  2. Step 2: Convert to fraction form
    293,721.17/405,355.25 = 166,397.81/x
  3. Step 3: Cross multiply
    293,721.17x = 405,355.25 × 166,397.81
  4. Step 4: Simplify right side
    293,721.17x = 67,450,224,261.22
  5. Step 5: Solve for x
    x = 67,450,224,261.22/293,721.17
  6. Step 6: Final answer
    x = 229,640.33

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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.