Finding the Fourth Proportional to 292,393.50, 403,578.63 and 190,672.62
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Solution
The fourth proportional to 292,393.50, 403,578.63 and 190,672.62 is: 263,177.52
Step by Step Solution
- Step 1: Write the proportion equation
292,393.50 : 403,578.63 = 190,672.62 : x - Step 2: Convert to fraction form
292,393.50/403,578.63 = 190,672.62/x - Step 3: Cross multiply
292,393.50x = 403,578.63 × 190,672.62 - Step 4: Simplify right side
292,393.50x = 76,951,394,758.11 - Step 5: Solve for x
x = 76,951,394,758.11/292,393.50 - Step 6: Final answer
x = 263,177.52
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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.