Finding the Fourth Proportional to 189,235.51, 283,908.05 and 56,118.97
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Solution
The fourth proportional to 189,235.51, 283,908.05 and 56,118.97 is: 84,194.70
Step by Step Solution
- Step 1: Write the proportion equation
189,235.51 : 283,908.05 = 56,118.97 : x - Step 2: Convert to fraction form
189,235.51/283,908.05 = 56,118.97/x - Step 3: Cross multiply
189,235.51x = 283,908.05 × 56,118.97 - Step 4: Simplify right side
189,235.51x = 15,932,627,941.11 - Step 5: Solve for x
x = 15,932,627,941.11/189,235.51 - Step 6: Final answer
x = 84,194.70
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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.