Finding the Fourth Proportional to 543,752.96, 815,630.16 and 206,714.48
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Solution
The fourth proportional to 543,752.96, 815,630.16 and 206,714.48 is: 310,071.99
Step by Step Solution
- Step 1: Write the proportion equation
543,752.96 : 815,630.16 = 206,714.48 : x - Step 2: Convert to fraction form
543,752.96/815,630.16 = 206,714.48/x - Step 3: Cross multiply
543,752.96x = 815,630.16 × 206,714.48 - Step 4: Simplify right side
543,752.96x = 168,602,564,396.72 - Step 5: Solve for x
x = 168,602,564,396.72/543,752.96 - Step 6: Final answer
x = 310,071.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.