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Finding the Fourth Proportional to 331,610.63, 457,696.51 and 210,728.32

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Solution

The fourth proportional to 331,610.63, 457,696.51 and 210,728.32 is: 290,852.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,610.63 : 457,696.51 = 210,728.32 : x
  2. Step 2: Convert to fraction form
    331,610.63/457,696.51 = 210,728.32/x
  3. Step 3: Cross multiply
    331,610.63x = 457,696.51 × 210,728.32
  4. Step 4: Simplify right side
    331,610.63x = 96,449,614,951.10
  5. Step 5: Solve for x
    x = 96,449,614,951.10/331,610.63
  6. Step 6: Final answer
    x = 290,852.00

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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.