Finding the Fourth Proportional to 207,261.40, 310,892.10 and 74,152.08
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Solution
The fourth proportional to 207,261.40, 310,892.10 and 74,152.08 is: 111,228.12
Step by Step Solution
- Step 1: Write the proportion equation
207,261.40 : 310,892.10 = 74,152.08 : x - Step 2: Convert to fraction form
207,261.40/310,892.10 = 74,152.08/x - Step 3: Cross multiply
207,261.40x = 310,892.10 × 74,152.08 - Step 4: Simplify right side
207,261.40x = 23,053,295,870.57 - Step 5: Solve for x
x = 23,053,295,870.57/207,261.40 - Step 6: Final answer
x = 111,228.12
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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.