Finding the Fourth Proportional to 178,324.63, 267,521.93 and 66,005.80
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Solution
The fourth proportional to 178,324.63, 267,521.93 and 66,005.80 is: 99,021.65
Step by Step Solution
- Step 1: Write the proportion equation
178,324.63 : 267,521.93 = 66,005.80 : x - Step 2: Convert to fraction form
178,324.63/267,521.93 = 66,005.80/x - Step 3: Cross multiply
178,324.63x = 267,521.93 × 66,005.80 - Step 4: Simplify right side
178,324.63x = 17,657,999,007.19 - Step 5: Solve for x
x = 17,657,999,007.19/178,324.63 - Step 6: Final answer
x = 99,021.65
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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.