Finding the Fourth Proportional to 512,349.96, 768,128.97 and 192,495.06
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Solution
The fourth proportional to 512,349.96, 768,128.97 and 192,495.06 is: 288,593.82
Step by Step Solution
- Step 1: Write the proportion equation
512,349.96 : 768,128.97 = 192,495.06 : x - Step 2: Convert to fraction form
512,349.96/768,128.97 = 192,495.06/x - Step 3: Cross multiply
512,349.96x = 768,128.97 × 192,495.06 - Step 4: Simplify right side
512,349.96x = 147,861,032,167.89 - Step 5: Solve for x
x = 147,861,032,167.89/512,349.96 - Step 6: Final answer
x = 288,593.82
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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.