Home / 339,883.36-469,137.63-210,861.16

Finding the Fourth Proportional to 339,883.36, 469,137.63 and 210,861.16

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Solution

The fourth proportional to 339,883.36, 469,137.63 and 210,861.16 is: 291,049.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,883.36 : 469,137.63 = 210,861.16 : x
  2. Step 2: Convert to fraction form
    339,883.36/469,137.63 = 210,861.16/x
  3. Step 3: Cross multiply
    339,883.36x = 469,137.63 × 210,861.16
  4. Step 4: Simplify right side
    339,883.36x = 98,922,904,861.45
  5. Step 5: Solve for x
    x = 98,922,904,861.45/339,883.36
  6. Step 6: Final answer
    x = 291,049.57

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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.