Finding the Fourth Proportional to 136,359.99, 204,501.69 and 52,062.08
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Solution
The fourth proportional to 136,359.99, 204,501.69 and 52,062.08 is: 78,078.49
Step by Step Solution
- Step 1: Write the proportion equation
136,359.99 : 204,501.69 = 52,062.08 : x - Step 2: Convert to fraction form
136,359.99/204,501.69 = 52,062.08/x - Step 3: Cross multiply
136,359.99x = 204,501.69 × 52,062.08 - Step 4: Simplify right side
136,359.99x = 10,646,782,322.41 - Step 5: Solve for x
x = 10,646,782,322.41/136,359.99 - Step 6: Final answer
x = 78,078.49
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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.