Finding the Fourth Proportional to 137,548.24, 207,259.60 and 113,135.20
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Solution
The fourth proportional to 137,548.24, 207,259.60 and 113,135.20 is: 170,473.69
Step by Step Solution
- Step 1: Write the proportion equation
137,548.24 : 207,259.60 = 113,135.20 : x - Step 2: Convert to fraction form
137,548.24/207,259.60 = 113,135.20/x - Step 3: Cross multiply
137,548.24x = 207,259.60 × 113,135.20 - Step 4: Simplify right side
137,548.24x = 23,448,356,297.92 - Step 5: Solve for x
x = 23,448,356,297.92/137,548.24 - Step 6: Final answer
x = 170,473.69
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.