Finding the Fourth Proportional to 181,927.70, 272,891.55 and 164,431.70
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Solution
The fourth proportional to 181,927.70, 272,891.55 and 164,431.70 is: 246,647.55
Step by Step Solution
- Step 1: Write the proportion equation
181,927.70 : 272,891.55 = 164,431.70 : x - Step 2: Convert to fraction form
181,927.70/272,891.55 = 164,431.70/x - Step 3: Cross multiply
181,927.70x = 272,891.55 × 164,431.70 - Step 4: Simplify right side
181,927.70x = 44,872,021,482.14 - Step 5: Solve for x
x = 44,872,021,482.14/181,927.70 - Step 6: Final answer
x = 246,647.55
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1.5x scale
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.