Finding the Fourth Proportional to 319,220.26, 478,971.44 and 167,381.08
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Solution
The fourth proportional to 319,220.26, 478,971.44 and 167,381.08 is: 251,145.58
Step by Step Solution
- Step 1: Write the proportion equation
319,220.26 : 478,971.44 = 167,381.08 : x - Step 2: Convert to fraction form
319,220.26/478,971.44 = 167,381.08/x - Step 3: Cross multiply
319,220.26x = 478,971.44 × 167,381.08 - Step 4: Simplify right side
319,220.26x = 80,170,756,137.38 - Step 5: Solve for x
x = 80,170,756,137.38/319,220.26 - Step 6: Final answer
x = 251,145.58
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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.