Finding the Fourth Proportional to 347,018.70, 520,042.05 and 276,062.70
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Solution
The fourth proportional to 347,018.70, 520,042.05 and 276,062.70 is: 413,707.42
Step by Step Solution
- Step 1: Write the proportion equation
347,018.70 : 520,042.05 = 276,062.70 : x - Step 2: Convert to fraction form
347,018.70/520,042.05 = 276,062.70/x - Step 3: Cross multiply
347,018.70x = 520,042.05 × 276,062.70 - Step 4: Simplify right side
347,018.70x = 143,564,212,436.54 - Step 5: Solve for x
x = 143,564,212,436.54/347,018.70 - Step 6: Final answer
x = 413,707.42
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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.