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Finding the Fourth Proportional to 356,745.43, 492,324.07 and 213,477.89

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Solution

The fourth proportional to 356,745.43, 492,324.07 and 213,477.89 is: 294,608.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,745.43 : 492,324.07 = 213,477.89 : x
  2. Step 2: Convert to fraction form
    356,745.43/492,324.07 = 213,477.89/x
  3. Step 3: Cross multiply
    356,745.43x = 492,324.07 × 213,477.89
  4. Step 4: Simplify right side
    356,745.43x = 105,100,304,356.93
  5. Step 5: Solve for x
    x = 105,100,304,356.93/356,745.43
  6. Step 6: Final answer
    x = 294,608.69

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1.5x scale

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.