Finding the Fourth Proportional to 181,948.38, 251,091.99 and 101,377.50
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Solution
The fourth proportional to 181,948.38, 251,091.99 and 101,377.50 is: 139,902.75
Step by Step Solution
- Step 1: Write the proportion equation
181,948.38 : 251,091.99 = 101,377.50 : x - Step 2: Convert to fraction form
181,948.38/251,091.99 = 101,377.50/x - Step 3: Cross multiply
181,948.38x = 251,091.99 × 101,377.50 - Step 4: Simplify right side
181,948.38x = 25,455,078,216.23 - Step 5: Solve for x
x = 25,455,078,216.23/181,948.38 - Step 6: Final answer
x = 139,902.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.