Finding the Fourth Proportional to 74,843.08, 112,264.62 and 22,252.48
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Solution
The fourth proportional to 74,843.08, 112,264.62 and 22,252.48 is: 33,378.72
Step by Step Solution
- Step 1: Write the proportion equation
74,843.08 : 112,264.62 = 22,252.48 : x - Step 2: Convert to fraction form
74,843.08/112,264.62 = 22,252.48/x - Step 3: Cross multiply
74,843.08x = 112,264.62 × 22,252.48 - Step 4: Simplify right side
74,843.08x = 2,498,166,211.26 - Step 5: Solve for x
x = 2,498,166,211.26/74,843.08 - Step 6: Final answer
x = 33,378.72
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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.