Finding the Fourth Proportional to 342,474.67, 513,584.29 and 117,771.49
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Solution
The fourth proportional to 342,474.67, 513,584.29 and 117,771.49 is: 176,613.32
Step by Step Solution
- Step 1: Write the proportion equation
342,474.67 : 513,584.29 = 117,771.49 : x - Step 2: Convert to fraction form
342,474.67/513,584.29 = 117,771.49/x - Step 3: Cross multiply
342,474.67x = 513,584.29 × 117,771.49 - Step 4: Simplify right side
342,474.67x = 60,485,587,073.89 - Step 5: Solve for x
x = 60,485,587,073.89/342,474.67 - Step 6: Final answer
x = 176,613.32
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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.