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Finding the Fourth Proportional to 369,092.74, 509,347.96 and 199,326.85

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Solution

The fourth proportional to 369,092.74, 509,347.96 and 199,326.85 is: 275,071.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,092.74 : 509,347.96 = 199,326.85 : x
  2. Step 2: Convert to fraction form
    369,092.74/509,347.96 = 199,326.85/x
  3. Step 3: Cross multiply
    369,092.74x = 509,347.96 × 199,326.85
  4. Step 4: Simplify right side
    369,092.74x = 101,526,724,420.73
  5. Step 5: Solve for x
    x = 101,526,724,420.73/369,092.74
  6. Step 6: Final answer
    x = 275,071.04

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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.