Finding the Fourth Proportional to 292,611.80, 403,799.44 and 163,553.28
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Solution
The fourth proportional to 292,611.80, 403,799.44 and 163,553.28 is: 225,700.82
Step by Step Solution
- Step 1: Write the proportion equation
292,611.80 : 403,799.44 = 163,553.28 : x - Step 2: Convert to fraction form
292,611.80/403,799.44 = 163,553.28/x - Step 3: Cross multiply
292,611.80x = 403,799.44 × 163,553.28 - Step 4: Simplify right side
292,611.80x = 66,042,722,874.16 - Step 5: Solve for x
x = 66,042,722,874.16/292,611.80 - Step 6: Final answer
x = 225,700.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.