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Finding the Fourth Proportional to 331,323.93, 457,215.02 and 202,477.97

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Solution

The fourth proportional to 331,323.93, 457,215.02 and 202,477.97 is: 279,412.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,323.93 : 457,215.02 = 202,477.97 : x
  2. Step 2: Convert to fraction form
    331,323.93/457,215.02 = 202,477.97/x
  3. Step 3: Cross multiply
    331,323.93x = 457,215.02 × 202,477.97
  4. Step 4: Simplify right side
    331,323.93x = 92,575,969,103.11
  5. Step 5: Solve for x
    x = 92,575,969,103.11/331,323.93
  6. Step 6: Final answer
    x = 279,412.26

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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.