Home / 384,896.27-531,135.43-212,804.28

Finding the Fourth Proportional to 384,896.27, 531,135.43 and 212,804.28

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Solution

The fourth proportional to 384,896.27, 531,135.43 and 212,804.28 is: 293,658.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,896.27 : 531,135.43 = 212,804.28 : x
  2. Step 2: Convert to fraction form
    384,896.27/531,135.43 = 212,804.28/x
  3. Step 3: Cross multiply
    384,896.27x = 531,135.43 × 212,804.28
  4. Step 4: Simplify right side
    384,896.27x = 113,027,892,763.64
  5. Step 5: Solve for x
    x = 113,027,892,763.64/384,896.27
  6. Step 6: Final answer
    x = 293,658.06

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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.