Finding the Fourth Proportional to 214,822.08, 322,184.52 and 81,654.84
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Solution
The fourth proportional to 214,822.08, 322,184.52 and 81,654.84 is: 122,463.79
Step by Step Solution
- Step 1: Write the proportion equation
214,822.08 : 322,184.52 = 81,654.84 : x - Step 2: Convert to fraction form
214,822.08/322,184.52 = 81,654.84/x - Step 3: Cross multiply
214,822.08x = 322,184.52 × 81,654.84 - Step 4: Simplify right side
214,822.08x = 26,307,925,431.08 - Step 5: Solve for x
x = 26,307,925,431.08/214,822.08 - Step 6: Final answer
x = 122,463.79
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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.