Finding the Fourth Proportional to 191,914.75, 264,842.36 and 107,029.99
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Solution
The fourth proportional to 191,914.75, 264,842.36 and 107,029.99 is: 147,701.39
Step by Step Solution
- Step 1: Write the proportion equation
191,914.75 : 264,842.36 = 107,029.99 : x - Step 2: Convert to fraction form
191,914.75/264,842.36 = 107,029.99/x - Step 3: Cross multiply
191,914.75x = 264,842.36 × 107,029.99 - Step 4: Simplify right side
191,914.75x = 28,346,075,142.38 - Step 5: Solve for x
x = 28,346,075,142.38/191,914.75 - Step 6: Final answer
x = 147,701.39
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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.