Finding the Fourth Proportional to 373,189.14, 515,015.01 and 212,071.62
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Solution
The fourth proportional to 373,189.14, 515,015.01 and 212,071.62 is: 292,666.79
Step by Step Solution
- Step 1: Write the proportion equation
373,189.14 : 515,015.01 = 212,071.62 : x - Step 2: Convert to fraction form
373,189.14/515,015.01 = 212,071.62/x - Step 3: Cross multiply
373,189.14x = 515,015.01 × 212,071.62 - Step 4: Simplify right side
373,189.14x = 109,220,067,495.02 - Step 5: Solve for x
x = 109,220,067,495.02/373,189.14 - Step 6: Final answer
x = 292,666.79
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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.