Finding the Fourth Proportional to 189,261.54, 283,301.82 and 139,397.94
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Solution
The fourth proportional to 189,261.54, 283,301.82 and 139,397.94 is: 208,661.99
Step by Step Solution
- Step 1: Write the proportion equation
189,261.54 : 283,301.82 = 139,397.94 : x - Step 2: Convert to fraction form
189,261.54/283,301.82 = 139,397.94/x - Step 3: Cross multiply
189,261.54x = 283,301.82 × 139,397.94 - Step 4: Simplify right side
189,261.54x = 39,491,690,106.25 - Step 5: Solve for x
x = 39,491,690,106.25/189,261.54 - Step 6: Final answer
x = 208,661.99
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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.