Finding the Fourth Proportional to 199,235.64, 298,845.12 and 49,472.70
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Solution
The fourth proportional to 199,235.64, 298,845.12 and 49,472.70 is: 74,206.98
Step by Step Solution
- Step 1: Write the proportion equation
199,235.64 : 298,845.12 = 49,472.70 : x - Step 2: Convert to fraction form
199,235.64/298,845.12 = 49,472.70/x - Step 3: Cross multiply
199,235.64x = 298,845.12 × 49,472.70 - Step 4: Simplify right side
199,235.64x = 14,784,674,968.22 - Step 5: Solve for x
x = 14,784,674,968.22/199,235.64 - Step 6: Final answer
x = 74,206.98
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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.