Finding the Fourth Proportional to 238,827.20, 329,581.52 and 131,394.93
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Solution
The fourth proportional to 238,827.20, 329,581.52 and 131,394.93 is: 181,324.99
Step by Step Solution
- Step 1: Write the proportion equation
238,827.20 : 329,581.52 = 131,394.93 : x - Step 2: Convert to fraction form
238,827.20/329,581.52 = 131,394.93/x - Step 3: Cross multiply
238,827.20x = 329,581.52 × 131,394.93 - Step 4: Simplify right side
238,827.20x = 43,305,339,534.29 - Step 5: Solve for x
x = 43,305,339,534.29/238,827.20 - Step 6: Final answer
x = 181,324.99
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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.