Home / 293,721.72-405,334.98-166,421.58

Finding the Fourth Proportional to 293,721.72, 405,334.98 and 166,421.58

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Solution

The fourth proportional to 293,721.72, 405,334.98 and 166,421.58 is: 229,661.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,721.72 : 405,334.98 = 166,421.58 : x
  2. Step 2: Convert to fraction form
    293,721.72/405,334.98 = 166,421.58/x
  3. Step 3: Cross multiply
    293,721.72x = 405,334.98 × 166,421.58
  4. Step 4: Simplify right side
    293,721.72x = 67,456,487,800.87
  5. Step 5: Solve for x
    x = 67,456,487,800.87/293,721.72
  6. Step 6: Final answer
    x = 229,661.22

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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.