Finding the Fourth Proportional to 256,393.96, 384,473.99 and 106,544.97
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Solution
The fourth proportional to 256,393.96, 384,473.99 and 106,544.97 is: 159,768.86
Step by Step Solution
- Step 1: Write the proportion equation
256,393.96 : 384,473.99 = 106,544.97 : x - Step 2: Convert to fraction form
256,393.96/384,473.99 = 106,544.97/x - Step 3: Cross multiply
256,393.96x = 384,473.99 × 106,544.97 - Step 4: Simplify right side
256,393.96x = 40,963,769,996.69 - Step 5: Solve for x
x = 40,963,769,996.69/256,393.96 - Step 6: Final answer
x = 159,768.86
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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.