Finding the Fourth Proportional to 112,991.99, 169,486.76 and 27,603.62
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Solution
The fourth proportional to 112,991.99, 169,486.76 and 27,603.62 is: 41,405.12
Step by Step Solution
- Step 1: Write the proportion equation
112,991.99 : 169,486.76 = 27,603.62 : x - Step 2: Convert to fraction form
112,991.99/169,486.76 = 27,603.62/x - Step 3: Cross multiply
112,991.99x = 169,486.76 × 27,603.62 - Step 4: Simplify right side
112,991.99x = 4,678,447,132.62 - Step 5: Solve for x
x = 4,678,447,132.62/112,991.99 - Step 6: Final answer
x = 41,405.12
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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.