Finding the Fourth Proportional to 465,403.38, 642,295.35 and 274,453.98
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Solution
The fourth proportional to 465,403.38, 642,295.35 and 274,453.98 is: 378,769.31
Step by Step Solution
- Step 1: Write the proportion equation
465,403.38 : 642,295.35 = 274,453.98 : x - Step 2: Convert to fraction form
465,403.38/642,295.35 = 274,453.98/x - Step 3: Cross multiply
465,403.38x = 642,295.35 × 274,453.98 - Step 4: Simplify right side
465,403.38x = 176,280,515,142.99 - Step 5: Solve for x
x = 176,280,515,142.99/465,403.38 - Step 6: Final answer
x = 378,769.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.