Finding the Fourth Proportional to 256,907.99, 385,097.11 and 107,235.38
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Solution
The fourth proportional to 256,907.99, 385,097.11 and 107,235.38 is: 160,742.51
Step by Step Solution
- Step 1: Write the proportion equation
256,907.99 : 385,097.11 = 107,235.38 : x - Step 2: Convert to fraction form
256,907.99/385,097.11 = 107,235.38/x - Step 3: Cross multiply
256,907.99x = 385,097.11 × 107,235.38 - Step 4: Simplify right side
256,907.99x = 41,296,034,927.75 - Step 5: Solve for x
x = 41,296,034,927.75/256,907.99 - Step 6: Final answer
x = 160,742.51
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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.