Finding the Fourth Proportional to 214,990.08, 322,625.58 and 81,871.62
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Solution
The fourth proportional to 214,990.08, 322,625.58 and 81,871.62 is: 122,860.92
Step by Step Solution
- Step 1: Write the proportion equation
214,990.08 : 322,625.58 = 81,871.62 : x - Step 2: Convert to fraction form
214,990.08/322,625.58 = 81,871.62/x - Step 3: Cross multiply
214,990.08x = 322,625.58 × 81,871.62 - Step 4: Simplify right side
214,990.08x = 26,413,878,888.04 - Step 5: Solve for x
x = 26,413,878,888.04/214,990.08 - Step 6: Final answer
x = 122,860.92
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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.