Finding the Fourth Proportional to 208,056.63, 312,085.02 and 50,285.09
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Solution
The fourth proportional to 208,056.63, 312,085.02 and 50,285.09 is: 75,427.65
Step by Step Solution
- Step 1: Write the proportion equation
208,056.63 : 312,085.02 = 50,285.09 : x - Step 2: Convert to fraction form
208,056.63/312,085.02 = 50,285.09/x - Step 3: Cross multiply
208,056.63x = 312,085.02 × 50,285.09 - Step 4: Simplify right side
208,056.63x = 15,693,221,757.93 - Step 5: Solve for x
x = 15,693,221,757.93/208,056.63 - Step 6: Final answer
x = 75,427.65
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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.