Finding the Fourth Proportional to 306,450.74, 459,678.14 and 106,774.91
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Solution
The fourth proportional to 306,450.74, 459,678.14 and 106,774.91 is: 160,163.07
Step by Step Solution
- Step 1: Write the proportion equation
306,450.74 : 459,678.14 = 106,774.91 : x - Step 2: Convert to fraction form
306,450.74/459,678.14 = 106,774.91/x - Step 3: Cross multiply
306,450.74x = 459,678.14 × 106,774.91 - Step 4: Simplify right side
306,450.74x = 49,082,091,319.40 - Step 5: Solve for x
x = 49,082,091,319.40/306,450.74 - Step 6: Final answer
x = 160,163.07
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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.