Home / 293,749.12-405,369.12-172,876.06

Finding the Fourth Proportional to 293,749.12, 405,369.12 and 172,876.06

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Solution

The fourth proportional to 293,749.12, 405,369.12 and 172,876.06 is: 238,566.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,749.12 : 405,369.12 = 172,876.06 : x
  2. Step 2: Convert to fraction form
    293,749.12/405,369.12 = 172,876.06/x
  3. Step 3: Cross multiply
    293,749.12x = 405,369.12 × 172,876.06
  4. Step 4: Simplify right side
    293,749.12x = 70,078,616,311.27
  5. Step 5: Solve for x
    x = 70,078,616,311.27/293,749.12
  6. Step 6: Final answer
    x = 238,566.22

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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.