Finding the Fourth Proportional to 320,468.98, 442,302.66 and 193,144.68
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Solution
The fourth proportional to 320,468.98, 442,302.66 and 193,144.68 is: 266,573.09
Step by Step Solution
- Step 1: Write the proportion equation
320,468.98 : 442,302.66 = 193,144.68 : x - Step 2: Convert to fraction form
320,468.98/442,302.66 = 193,144.68/x - Step 3: Cross multiply
320,468.98x = 442,302.66 × 193,144.68 - Step 4: Simplify right side
320,468.98x = 85,428,405,728.85 - Step 5: Solve for x
x = 85,428,405,728.85/320,468.98 - Step 6: Final answer
x = 266,573.09
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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.