Finding the Fourth Proportional to 388,071.49, 582,203.35 and 185,821.49
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Solution
The fourth proportional to 388,071.49, 582,203.35 and 185,821.49 is: 278,778.26
Step by Step Solution
- Step 1: Write the proportion equation
388,071.49 : 582,203.35 = 185,821.49 : x - Step 2: Convert to fraction form
388,071.49/582,203.35 = 185,821.49/x - Step 3: Cross multiply
388,071.49x = 582,203.35 × 185,821.49 - Step 4: Simplify right side
388,071.49x = 108,185,893,530.90 - Step 5: Solve for x
x = 108,185,893,530.90/388,071.49 - Step 6: Final answer
x = 278,778.26
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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.