Finding the Fourth Proportional to 343,486.14, 515,230.52 and 143,666.36
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Solution
The fourth proportional to 343,486.14, 515,230.52 and 143,666.36 is: 215,500.09
Step by Step Solution
- Step 1: Write the proportion equation
343,486.14 : 515,230.52 = 143,666.36 : x - Step 2: Convert to fraction form
343,486.14/515,230.52 = 143,666.36/x - Step 3: Cross multiply
343,486.14x = 515,230.52 × 143,666.36 - Step 4: Simplify right side
343,486.14x = 74,021,293,369.31 - Step 5: Solve for x
x = 74,021,293,369.31/343,486.14 - Step 6: Final answer
x = 215,500.09
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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.