Finding the Fourth Proportional to 372,261.19, 556,982.68 and 220,539.73
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Solution
The fourth proportional to 372,261.19, 556,982.68 and 220,539.73 is: 329,974.80
Step by Step Solution
- Step 1: Write the proportion equation
372,261.19 : 556,982.68 = 220,539.73 : x - Step 2: Convert to fraction form
372,261.19/556,982.68 = 220,539.73/x - Step 3: Cross multiply
372,261.19x = 556,982.68 × 220,539.73 - Step 4: Simplify right side
372,261.19x = 122,836,809,486.28 - Step 5: Solve for x
x = 122,836,809,486.28/372,261.19 - Step 6: Final answer
x = 329,974.80
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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.