Finding the Fourth Proportional to 306,368,173.68, 422,786,073.24 and 174,209,179.92
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Solution
The fourth proportional to 306,368,173.68, 422,786,073.24 and 174,209,179.92 is: 240,407,527.37
Step by Step Solution
- Step 1: Write the proportion equation
306,368,173.68 : 422,786,073.24 = 174,209,179.92 : x - Step 2: Convert to fraction form
306,368,173.68/422,786,073.24 = 174,209,179.92/x - Step 3: Cross multiply
306,368,173.68x = 422,786,073.24 × 174,209,179.92 - Step 4: Simplify right side
306,368,173.68x = 73,653,215,100,737,456 - Step 5: Solve for x
x = 73,653,215,100,737,456/306,368,173.68 - Step 6: Final answer
x = 240,407,527.37
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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.