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Finding the Fourth Proportional to 475,479.54, 712,796 and 171,805.97

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Solution

The fourth proportional to 475,479.54, 712,796 and 171,805.97 is: 257,556.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,479.54 : 712,796 = 171,805.97 : x
  2. Step 2: Convert to fraction form
    475,479.54/712,796 = 171,805.97/x
  3. Step 3: Cross multiply
    475,479.54x = 712,796 × 171,805.97
  4. Step 4: Simplify right side
    475,479.54x = 122,462,608,192.12
  5. Step 5: Solve for x
    x = 122,462,608,192.12/475,479.54
  6. Step 6: Final answer
    x = 257,556.00

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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.