Finding the Fourth Proportional to 303,136.16, 418,330.80 and 167,174.91
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Solution
The fourth proportional to 303,136.16, 418,330.80 and 167,174.91 is: 230,702.98
Step by Step Solution
- Step 1: Write the proportion equation
303,136.16 : 418,330.80 = 167,174.91 : x - Step 2: Convert to fraction form
303,136.16/418,330.80 = 167,174.91/x - Step 3: Cross multiply
303,136.16x = 418,330.80 × 167,174.91 - Step 4: Simplify right side
303,136.16x = 69,934,413,840.23 - Step 5: Solve for x
x = 69,934,413,840.23/303,136.16 - Step 6: Final answer
x = 230,702.98
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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.