Finding the Fourth Proportional to 214,431.08, 295,871.82 and 129,552.44
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Solution
The fourth proportional to 214,431.08, 295,871.82 and 129,552.44 is: 178,756.35
Step by Step Solution
- Step 1: Write the proportion equation
214,431.08 : 295,871.82 = 129,552.44 : x - Step 2: Convert to fraction form
214,431.08/295,871.82 = 129,552.44/x - Step 3: Cross multiply
214,431.08x = 295,871.82 × 129,552.44 - Step 4: Simplify right side
214,431.08x = 38,330,916,208.24 - Step 5: Solve for x
x = 38,330,916,208.24/214,431.08 - Step 6: Final answer
x = 178,756.35
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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.