Finding the Fourth Proportional to 273,813.75, 377,862.98 and 154,581.75
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Solution
The fourth proportional to 273,813.75, 377,862.98 and 154,581.75 is: 213,322.82
Step by Step Solution
- Step 1: Write the proportion equation
273,813.75 : 377,862.98 = 154,581.75 : x - Step 2: Convert to fraction form
273,813.75/377,862.98 = 154,581.75/x - Step 3: Cross multiply
273,813.75x = 377,862.98 × 154,581.75 - Step 4: Simplify right side
273,813.75x = 58,410,719,935.71 - Step 5: Solve for x
x = 58,410,719,935.71/273,813.75 - Step 6: Final answer
x = 213,322.82
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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.