Finding the Fourth Proportional to 282,177.08, 389,409.12 and 154,864.52
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Solution
The fourth proportional to 282,177.08, 389,409.12 and 154,864.52 is: 213,715.64
Step by Step Solution
- Step 1: Write the proportion equation
282,177.08 : 389,409.12 = 154,864.52 : x - Step 2: Convert to fraction form
282,177.08/389,409.12 = 154,864.52/x - Step 3: Cross multiply
282,177.08x = 389,409.12 × 154,864.52 - Step 4: Simplify right side
282,177.08x = 60,305,656,452.42 - Step 5: Solve for x
x = 60,305,656,452.42/282,177.08 - Step 6: Final answer
x = 213,715.64
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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.