Finding the Fourth Proportional to 74,917.80, 112,391.28 and 22,326.12
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Solution
The fourth proportional to 74,917.80, 112,391.28 and 22,326.12 is: 33,493.52
Step by Step Solution
- Step 1: Write the proportion equation
74,917.80 : 112,391.28 = 22,326.12 : x - Step 2: Convert to fraction form
74,917.80/112,391.28 = 22,326.12/x - Step 3: Cross multiply
74,917.80x = 112,391.28 × 22,326.12 - Step 4: Simplify right side
74,917.80x = 2,509,261,204.23 - Step 5: Solve for x
x = 2,509,261,204.23/74,917.80 - Step 6: Final answer
x = 33,493.52
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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.