Finding the Fourth Proportional to 208,261.05, 312,403.67 and 58,513.02
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Solution
The fourth proportional to 208,261.05, 312,403.67 and 58,513.02 is: 87,772.93
Step by Step Solution
- Step 1: Write the proportion equation
208,261.05 : 312,403.67 = 58,513.02 : x - Step 2: Convert to fraction form
208,261.05/312,403.67 = 58,513.02/x - Step 3: Cross multiply
208,261.05x = 312,403.67 × 58,513.02 - Step 4: Simplify right side
208,261.05x = 18,279,682,190.78 - Step 5: Solve for x
x = 18,279,682,190.78/208,261.05 - Step 6: Final answer
x = 87,772.93
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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.