Finding the Fourth Proportional to 102,249.12, 153,418.34 and 35,736.99
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Solution
The fourth proportional to 102,249.12, 153,418.34 and 35,736.99 is: 53,621.09
Step by Step Solution
- Step 1: Write the proportion equation
102,249.12 : 153,418.34 = 35,736.99 : x - Step 2: Convert to fraction form
102,249.12/153,418.34 = 35,736.99/x - Step 3: Cross multiply
102,249.12x = 153,418.34 × 35,736.99 - Step 4: Simplify right side
102,249.12x = 5,482,708,995.40 - Step 5: Solve for x
x = 5,482,708,995.40/102,249.12 - Step 6: Final answer
x = 53,621.09
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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.