Home / 356,922.43-492,594.11-213,682.39

Finding the Fourth Proportional to 356,922.43, 492,594.11 and 213,682.39

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Solution

The fourth proportional to 356,922.43, 492,594.11 and 213,682.39 is: 294,906.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,922.43 : 492,594.11 = 213,682.39 : x
  2. Step 2: Convert to fraction form
    356,922.43/492,594.11 = 213,682.39/x
  3. Step 3: Cross multiply
    356,922.43x = 492,594.11 × 213,682.39
  4. Step 4: Simplify right side
    356,922.43x = 105,258,686,724.72
  5. Step 5: Solve for x
    x = 105,258,686,724.72/356,922.43
  6. Step 6: Final answer
    x = 294,906.34

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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.