Finding the Fourth Proportional to 357,857.51, 536,786.42 and 168,178.68
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Solution
The fourth proportional to 357,857.51, 536,786.42 and 168,178.68 is: 252,268.09
Step by Step Solution
- Step 1: Write the proportion equation
357,857.51 : 536,786.42 = 168,178.68 : x - Step 2: Convert to fraction form
357,857.51/536,786.42 = 168,178.68/x - Step 3: Cross multiply
357,857.51x = 536,786.42 × 168,178.68 - Step 4: Simplify right side
357,857.51x = 90,276,030,716.63 - Step 5: Solve for x
x = 90,276,030,716.63/357,857.51 - Step 6: Final answer
x = 252,268.09
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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.