Finding the Fourth Proportional to 489,771.34, 734,517.88 and 190,187.98
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Solution
The fourth proportional to 489,771.34, 734,517.88 and 190,187.98 is: 285,227.94
Step by Step Solution
- Step 1: Write the proportion equation
489,771.34 : 734,517.88 = 190,187.98 : x - Step 2: Convert to fraction form
489,771.34/734,517.88 = 190,187.98/x - Step 3: Cross multiply
489,771.34x = 734,517.88 × 190,187.98 - Step 4: Simplify right side
489,771.34x = 139,696,471,871.08 - Step 5: Solve for x
x = 139,696,471,871.08/489,771.34 - Step 6: Final answer
x = 285,227.94
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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.