Finding the Fourth Proportional to 181,972.27, 251,119.18 and 101,403.19
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Solution
The fourth proportional to 181,972.27, 251,119.18 and 101,403.19 is: 139,934.98
Step by Step Solution
- Step 1: Write the proportion equation
181,972.27 : 251,119.18 = 101,403.19 : x - Step 2: Convert to fraction form
181,972.27/251,119.18 = 101,403.19/x - Step 3: Cross multiply
181,972.27x = 251,119.18 × 101,403.19 - Step 4: Simplify right side
181,972.27x = 25,464,285,922.18 - Step 5: Solve for x
x = 25,464,285,922.18/181,972.27 - Step 6: Final answer
x = 139,934.98
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1.5x scale
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.