Finding the Fourth Proportional to 314,174.70, 471,294.81 and 100,888.74
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Solution
The fourth proportional to 314,174.70, 471,294.81 and 100,888.74 is: 151,343.63
Step by Step Solution
- Step 1: Write the proportion equation
314,174.70 : 471,294.81 = 100,888.74 : x - Step 2: Convert to fraction form
314,174.70/471,294.81 = 100,888.74/x - Step 3: Cross multiply
314,174.70x = 471,294.81 × 100,888.74 - Step 4: Simplify right side
314,174.70x = 47,548,339,549.44 - Step 5: Solve for x
x = 47,548,339,549.44/314,174.70 - Step 6: Final answer
x = 151,343.63
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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.