Finding the Fourth Proportional to 273,849.14, 377,904.42 and 149,665.21
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Solution
The fourth proportional to 273,849.14, 377,904.42 and 149,665.21 is: 206,533.94
Step by Step Solution
- Step 1: Write the proportion equation
273,849.14 : 377,904.42 = 149,665.21 : x - Step 2: Convert to fraction form
273,849.14/377,904.42 = 149,665.21/x - Step 3: Cross multiply
273,849.14x = 377,904.42 × 149,665.21 - Step 4: Simplify right side
273,849.14x = 56,559,143,434.47 - Step 5: Solve for x
x = 56,559,143,434.47/273,849.14 - Step 6: Final answer
x = 206,533.94
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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.