Finding the Fourth Proportional to 347,307.08, 479,146.74 and 218,169.68
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Solution
The fourth proportional to 347,307.08, 479,146.74 and 218,169.68 is: 300,988.08
Step by Step Solution
- Step 1: Write the proportion equation
347,307.08 : 479,146.74 = 218,169.68 : x - Step 2: Convert to fraction form
347,307.08/479,146.74 = 218,169.68/x - Step 3: Cross multiply
347,307.08x = 479,146.74 × 218,169.68 - Step 4: Simplify right side
347,307.08x = 104,535,290,938.84 - Step 5: Solve for x
x = 104,535,290,938.84/347,307.08 - Step 6: Final answer
x = 300,988.08
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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.