Finding the Fourth Proportional to 366,822.70, 550,234.05 and 189,675.70
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Solution
The fourth proportional to 366,822.70, 550,234.05 and 189,675.70 is: 284,513.55
Step by Step Solution
- Step 1: Write the proportion equation
366,822.70 : 550,234.05 = 189,675.70 : x - Step 2: Convert to fraction form
366,822.70/550,234.05 = 189,675.70/x - Step 3: Cross multiply
366,822.70x = 550,234.05 × 189,675.70 - Step 4: Simplify right side
366,822.70x = 104,366,028,597.59 - Step 5: Solve for x
x = 104,366,028,597.59/366,822.70 - Step 6: Final answer
x = 284,513.55
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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.