Finding the Fourth Proportional to 243,175.52, 335,523.12 and 142,554.08
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Solution
The fourth proportional to 243,175.52, 335,523.12 and 142,554.08 is: 196,689.99
Step by Step Solution
- Step 1: Write the proportion equation
243,175.52 : 335,523.12 = 142,554.08 : x - Step 2: Convert to fraction form
243,175.52/335,523.12 = 142,554.08/x - Step 3: Cross multiply
243,175.52x = 335,523.12 × 142,554.08 - Step 4: Simplify right side
243,175.52x = 47,830,189,690.33 - Step 5: Solve for x
x = 47,830,189,690.33/243,175.52 - Step 6: Final answer
x = 196,689.99
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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.