Finding the Fourth Proportional to 292,597.70, 438,911.73 and 92,933.70
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Solution
The fourth proportional to 292,597.70, 438,911.73 and 92,933.70 is: 139,405.37
Step by Step Solution
- Step 1: Write the proportion equation
292,597.70 : 438,911.73 = 92,933.70 : x - Step 2: Convert to fraction form
292,597.70/438,911.73 = 92,933.70/x - Step 3: Cross multiply
292,597.70x = 438,911.73 × 92,933.70 - Step 4: Simplify right side
292,597.70x = 40,789,691,042.30 - Step 5: Solve for x
x = 40,789,691,042.30/292,597.70 - Step 6: Final answer
x = 139,405.37
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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.