Finding the Fourth Proportional to 347,944.80, 521,917.36 and 98,628.96
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Solution
The fourth proportional to 347,944.80, 521,917.36 and 98,628.96 is: 147,943.49
Step by Step Solution
- Step 1: Write the proportion equation
347,944.80 : 521,917.36 = 98,628.96 : x - Step 2: Convert to fraction form
347,944.80/521,917.36 = 98,628.96/x - Step 3: Cross multiply
347,944.80x = 521,917.36 × 98,628.96 - Step 4: Simplify right side
347,944.80x = 51,476,166,422.75 - Step 5: Solve for x
x = 51,476,166,422.75/347,944.80 - Step 6: Final answer
x = 147,943.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.