Finding the Fourth Proportional to 214,189.41, 295,486.27 and 137,694.31
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Solution
The fourth proportional to 214,189.41, 295,486.27 and 137,694.31 is: 189,956.99
Step by Step Solution
- Step 1: Write the proportion equation
214,189.41 : 295,486.27 = 137,694.31 : x - Step 2: Convert to fraction form
214,189.41/295,486.27 = 137,694.31/x - Step 3: Cross multiply
214,189.41x = 295,486.27 × 137,694.31 - Step 4: Simplify right side
214,189.41x = 40,686,776,979.17 - Step 5: Solve for x
x = 40,686,776,979.17/214,189.41 - Step 6: Final answer
x = 189,956.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.