Finding the Fourth Proportional to 238,537.62, 329,177.68 and 131,107.62
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Solution
The fourth proportional to 238,537.62, 329,177.68 and 131,107.62 is: 180,926.19
Step by Step Solution
- Step 1: Write the proportion equation
238,537.62 : 329,177.68 = 131,107.62 : x - Step 2: Convert to fraction form
238,537.62/329,177.68 = 131,107.62/x - Step 3: Cross multiply
238,537.62x = 329,177.68 × 131,107.62 - Step 4: Simplify right side
238,537.62x = 43,157,702,181.92 - Step 5: Solve for x
x = 43,157,702,181.92/238,537.62 - Step 6: Final answer
x = 180,926.19
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1.5x scale
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.