Finding the Fourth Proportional to 102,067.04, 153,106.52 and 30,991.99
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Solution
The fourth proportional to 102,067.04, 153,106.52 and 30,991.99 is: 46,489.79
Step by Step Solution
- Step 1: Write the proportion equation
102,067.04 : 153,106.52 = 30,991.99 : x - Step 2: Convert to fraction form
102,067.04/153,106.52 = 30,991.99/x - Step 3: Cross multiply
102,067.04x = 153,106.52 × 30,991.99 - Step 4: Simplify right side
102,067.04x = 4,745,075,736.77 - Step 5: Solve for x
x = 4,745,075,736.77/102,067.04 - Step 6: Final answer
x = 46,489.79
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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.