Finding the Fourth Proportional to 252,329.32, 378,515.84 and 92,448.68
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Solution
The fourth proportional to 252,329.32, 378,515.84 and 92,448.68 is: 138,681.03
Step by Step Solution
- Step 1: Write the proportion equation
252,329.32 : 378,515.84 = 92,448.68 : x - Step 2: Convert to fraction form
252,329.32/378,515.84 = 92,448.68/x - Step 3: Cross multiply
252,329.32x = 378,515.84 × 92,448.68 - Step 4: Simplify right side
252,329.32x = 34,993,289,767.09 - Step 5: Solve for x
x = 34,993,289,767.09/252,329.32 - Step 6: Final answer
x = 138,681.03
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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.