Finding the Fourth Proportional to 536,539.30, 804,517.35 and 221,028.10
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Solution
The fourth proportional to 536,539.30, 804,517.35 and 221,028.10 is: 331,422.02
Step by Step Solution
- Step 1: Write the proportion equation
536,539.30 : 804,517.35 = 221,028.10 : x - Step 2: Convert to fraction form
536,539.30/804,517.35 = 221,028.10/x - Step 3: Cross multiply
536,539.30x = 804,517.35 × 221,028.10 - Step 4: Simplify right side
536,539.30x = 177,820,941,287.54 - Step 5: Solve for x
x = 177,820,941,287.54/536,539.30 - Step 6: Final answer
x = 331,422.02
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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.