Finding the Fourth Proportional to 273,078.99, 376,849.80 and 158,379.75
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Solution
The fourth proportional to 273,078.99, 376,849.80 and 158,379.75 is: 218,564.52
Step by Step Solution
- Step 1: Write the proportion equation
273,078.99 : 376,849.80 = 158,379.75 : x - Step 2: Convert to fraction form
273,078.99/376,849.80 = 158,379.75/x - Step 3: Cross multiply
273,078.99x = 376,849.80 × 158,379.75 - Step 4: Simplify right side
273,078.99x = 59,685,377,111.55 - Step 5: Solve for x
x = 59,685,377,111.55/273,078.99 - Step 6: Final answer
x = 218,564.52
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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.