Finding the Fourth Proportional to 218,436.66, 301,402.35 and 122,923.08
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Solution
The fourth proportional to 218,436.66, 301,402.35 and 122,923.08 is: 169,611.21
Step by Step Solution
- Step 1: Write the proportion equation
218,436.66 : 301,402.35 = 122,923.08 : x - Step 2: Convert to fraction form
218,436.66/301,402.35 = 122,923.08/x - Step 3: Cross multiply
218,436.66x = 301,402.35 × 122,923.08 - Step 4: Simplify right side
218,436.66x = 37,049,305,181.24 - Step 5: Solve for x
x = 37,049,305,181.24/218,436.66 - Step 6: Final answer
x = 169,611.21
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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.