Finding the Fourth Proportional to 489,414.96, 734,125.68 and 134,466.48
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Solution
The fourth proportional to 489,414.96, 734,125.68 and 134,466.48 is: 201,700.61
Step by Step Solution
- Step 1: Write the proportion equation
489,414.96 : 734,125.68 = 134,466.48 : x - Step 2: Convert to fraction form
489,414.96/734,125.68 = 134,466.48/x - Step 3: Cross multiply
489,414.96x = 734,125.68 × 134,466.48 - Step 4: Simplify right side
489,414.96x = 98,715,296,067.21 - Step 5: Solve for x
x = 98,715,296,067.21/489,414.96 - Step 6: Final answer
x = 201,700.61
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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.