Finding the Fourth Proportional to 136,247.13, 204,403.52 and 42,752.88
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Solution
The fourth proportional to 136,247.13, 204,403.52 and 42,752.88 is: 64,139.62
Step by Step Solution
- Step 1: Write the proportion equation
136,247.13 : 204,403.52 = 42,752.88 : x - Step 2: Convert to fraction form
136,247.13/204,403.52 = 42,752.88/x - Step 3: Cross multiply
136,247.13x = 204,403.52 × 42,752.88 - Step 4: Simplify right side
136,247.13x = 8,738,839,162.14 - Step 5: Solve for x
x = 8,738,839,162.14/136,247.13 - Step 6: Final answer
x = 64,139.62
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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.