Finding the Fourth Proportional to 318,626.93, 439,747.16 and 191,310.73
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Solution
The fourth proportional to 318,626.93, 439,747.16 and 191,310.73 is: 264,034.02
Step by Step Solution
- Step 1: Write the proportion equation
318,626.93 : 439,747.16 = 191,310.73 : x - Step 2: Convert to fraction form
318,626.93/439,747.16 = 191,310.73/x - Step 3: Cross multiply
318,626.93x = 439,747.16 × 191,310.73 - Step 4: Simplify right side
318,626.93x = 84,128,350,195.03 - Step 5: Solve for x
x = 84,128,350,195.03/318,626.93 - Step 6: Final answer
x = 264,034.02
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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.