Finding the Fourth Proportional to 155,233.02, 232,654.74 and 66,382.05
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Solution
The fourth proportional to 155,233.02, 232,654.74 and 66,382.05 is: 99,489.78
Step by Step Solution
- Step 1: Write the proportion equation
155,233.02 : 232,654.74 = 66,382.05 : x - Step 2: Convert to fraction form
155,233.02/232,654.74 = 66,382.05/x - Step 3: Cross multiply
155,233.02x = 232,654.74 × 66,382.05 - Step 4: Simplify right side
155,233.02x = 15,444,098,583.42 - Step 5: Solve for x
x = 15,444,098,583.42/155,233.02 - Step 6: Final answer
x = 99,489.78
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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.