Finding the Fourth Proportional to 74,851.75, 112,296.12 and 22,261.02
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Solution
The fourth proportional to 74,851.75, 112,296.12 and 22,261.02 is: 33,397.03
Step by Step Solution
- Step 1: Write the proportion equation
74,851.75 : 112,296.12 = 22,261.02 : x - Step 2: Convert to fraction form
74,851.75/112,296.12 = 22,261.02/x - Step 3: Cross multiply
74,851.75x = 112,296.12 × 22,261.02 - Step 4: Simplify right side
74,851.75x = 2,499,826,173.24 - Step 5: Solve for x
x = 2,499,826,173.24/74,851.75 - Step 6: Final answer
x = 33,397.03
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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.