Finding the Fourth Proportional to 292,523.70, 438,979.95 and 166,163.70
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Solution
The fourth proportional to 292,523.70, 438,979.95 and 166,163.70 is: 249,355.98
Step by Step Solution
- Step 1: Write the proportion equation
292,523.70 : 438,979.95 = 166,163.70 : x - Step 2: Convert to fraction form
292,523.70/438,979.95 = 166,163.70/x - Step 3: Cross multiply
292,523.70x = 438,979.95 × 166,163.70 - Step 4: Simplify right side
292,523.70x = 72,942,532,717.82 - Step 5: Solve for x
x = 72,942,532,717.82/292,523.70 - Step 6: Final answer
x = 249,355.98
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1.5x scale
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.