Home / 309,529.08-427,327.10-236,797.96

Finding the Fourth Proportional to 309,529.08, 427,327.10 and 236,797.96

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Solution

The fourth proportional to 309,529.08, 427,327.10 and 236,797.96 is: 326,916.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,529.08 : 427,327.10 = 236,797.96 : x
  2. Step 2: Convert to fraction form
    309,529.08/427,327.10 = 236,797.96/x
  3. Step 3: Cross multiply
    309,529.08x = 427,327.10 × 236,797.96
  4. Step 4: Simplify right side
    309,529.08x = 101,190,185,532.72
  5. Step 5: Solve for x
    x = 101,190,185,532.72/309,529.08
  6. Step 6: Final answer
    x = 326,916.57

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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.