Finding the Fourth Proportional to 189,392.63, 283,695.26 and 89,632.62
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Solution
The fourth proportional to 189,392.63, 283,695.26 and 89,632.62 is: 134,262.61
Step by Step Solution
- Step 1: Write the proportion equation
189,392.63 : 283,695.26 = 89,632.62 : x - Step 2: Convert to fraction form
189,392.63/283,695.26 = 89,632.62/x - Step 3: Cross multiply
189,392.63x = 283,695.26 × 89,632.62 - Step 4: Simplify right side
189,392.63x = 25,428,348,987.22 - Step 5: Solve for x
x = 25,428,348,987.22/189,392.63 - Step 6: Final answer
x = 134,262.61
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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.