Finding the Fourth Proportional to 207,241.84, 310,862.81 and 74,114.02
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Solution
The fourth proportional to 207,241.84, 310,862.81 and 74,114.02 is: 111,171.05
Step by Step Solution
- Step 1: Write the proportion equation
207,241.84 : 310,862.81 = 74,114.02 : x - Step 2: Convert to fraction form
207,241.84/310,862.81 = 74,114.02/x - Step 3: Cross multiply
207,241.84x = 310,862.81 × 74,114.02 - Step 4: Simplify right side
207,241.84x = 23,039,292,517.60 - Step 5: Solve for x
x = 23,039,292,517.60/207,241.84 - Step 6: Final answer
x = 111,171.05
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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.