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Finding the Fourth Proportional to 554,198.19, 831,608.61 and 301,496.34

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Solution

The fourth proportional to 554,198.19, 831,608.61 and 301,496.34 is: 452,413.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,198.19 : 831,608.61 = 301,496.34 : x
  2. Step 2: Convert to fraction form
    554,198.19/831,608.61 = 301,496.34/x
  3. Step 3: Cross multiply
    554,198.19x = 831,608.61 × 301,496.34
  4. Step 4: Simplify right side
    554,198.19x = 250,726,952,227.49
  5. Step 5: Solve for x
    x = 250,726,952,227.49/554,198.19
  6. Step 6: Final answer
    x = 452,413.88

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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.