Finding the Fourth Proportional to 238,734.96, 329,463.64 and 131,314.99
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Solution
The fourth proportional to 238,734.96, 329,463.64 and 131,314.99 is: 181,219.85
Step by Step Solution
- Step 1: Write the proportion equation
238,734.96 : 329,463.64 = 131,314.99 : x - Step 2: Convert to fraction form
238,734.96/329,463.64 = 131,314.99/x - Step 3: Cross multiply
238,734.96x = 329,463.64 × 131,314.99 - Step 4: Simplify right side
238,734.96x = 43,263,514,096.59 - Step 5: Solve for x
x = 43,263,514,096.59/238,734.96 - Step 6: Final answer
x = 181,219.85
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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.