Finding the Fourth Proportional to 373,188.70, 514,980.97 and 212,021.38
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Solution
The fourth proportional to 373,188.70, 514,980.97 and 212,021.38 is: 292,578.46
Step by Step Solution
- Step 1: Write the proportion equation
373,188.70 : 514,980.97 = 212,021.38 : x - Step 2: Convert to fraction form
373,188.70/514,980.97 = 212,021.38/x - Step 3: Cross multiply
373,188.70x = 514,980.97 × 212,021.38 - Step 4: Simplify right side
373,188.70x = 109,186,975,933.14 - Step 5: Solve for x
x = 109,186,975,933.14/373,188.70 - Step 6: Final answer
x = 292,578.46
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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.