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Finding the Fourth Proportional to 552,086.46, 828,128.42 and 173,036.07

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Solution

The fourth proportional to 552,086.46, 828,128.42 and 173,036.07 is: 259,553.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,086.46 : 828,128.42 = 173,036.07 : x
  2. Step 2: Convert to fraction form
    552,086.46/828,128.42 = 173,036.07/x
  3. Step 3: Cross multiply
    552,086.46x = 828,128.42 × 173,036.07
  4. Step 4: Simplify right side
    552,086.46x = 143,296,087,252.11
  5. Step 5: Solve for x
    x = 143,296,087,252.11/552,086.46
  6. Step 6: Final answer
    x = 259,553.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.