Finding the Fourth Proportional to 489,201.30, 733,874.86 and 173,631.78
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Solution
The fourth proportional to 489,201.30, 733,874.86 and 173,631.78 is: 260,473.55
Step by Step Solution
- Step 1: Write the proportion equation
489,201.30 : 733,874.86 = 173,631.78 : x - Step 2: Convert to fraction form
489,201.30/733,874.86 = 173,631.78/x - Step 3: Cross multiply
489,201.30x = 733,874.86 × 173,631.78 - Step 4: Simplify right side
489,201.30x = 127,423,998,239.05 - Step 5: Solve for x
x = 127,423,998,239.05/489,201.30 - Step 6: Final answer
x = 260,473.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.