Home / 382,660.32-528,093.36-212,892.96

Finding the Fourth Proportional to 382,660.32, 528,093.36 and 212,892.96

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Solution

The fourth proportional to 382,660.32, 528,093.36 and 212,892.96 is: 293,804.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,660.32 : 528,093.36 = 212,892.96 : x
  2. Step 2: Convert to fraction form
    382,660.32/528,093.36 = 212,892.96/x
  3. Step 3: Cross multiply
    382,660.32x = 528,093.36 × 212,892.96
  4. Step 4: Simplify right side
    382,660.32x = 112,427,358,566.75
  5. Step 5: Solve for x
    x = 112,427,358,566.75/382,660.32
  6. Step 6: Final answer
    x = 293,804.59

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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.