Finding the Fourth Proportional to 298,067.98, 411,125.61 and 202,408.60
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Solution
The fourth proportional to 298,067.98, 411,125.61 and 202,408.60 is: 279,182.48
Step by Step Solution
- Step 1: Write the proportion equation
298,067.98 : 411,125.61 = 202,408.60 : x - Step 2: Convert to fraction form
298,067.98/411,125.61 = 202,408.60/x - Step 3: Cross multiply
298,067.98x = 411,125.61 × 202,408.60 - Step 4: Simplify right side
298,067.98x = 83,215,359,144.25 - Step 5: Solve for x
x = 83,215,359,144.25/298,067.98 - Step 6: Final answer
x = 279,182.48
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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.