Home / 384,927.41-531,188.79-212,842.37

Finding the Fourth Proportional to 384,927.41, 531,188.79 and 212,842.37

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Solution

The fourth proportional to 384,927.41, 531,188.79 and 212,842.37 is: 293,716.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,927.41 : 531,188.79 = 212,842.37 : x
  2. Step 2: Convert to fraction form
    384,927.41/531,188.79 = 212,842.37/x
  3. Step 3: Cross multiply
    384,927.41x = 531,188.79 × 212,842.37
  4. Step 4: Simplify right side
    384,927.41x = 113,059,478,588.85
  5. Step 5: Solve for x
    x = 113,059,478,588.85/384,927.41
  6. Step 6: Final answer
    x = 293,716.36

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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.