Finding the Fourth Proportional to 132,658.24, 183,003.12 and 98,558.08
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Solution
The fourth proportional to 132,658.24, 183,003.12 and 98,558.08 is: 135,961.67
Step by Step Solution
- Step 1: Write the proportion equation
132,658.24 : 183,003.12 = 98,558.08 : x - Step 2: Convert to fraction form
132,658.24/183,003.12 = 98,558.08/x - Step 3: Cross multiply
132,658.24x = 183,003.12 × 98,558.08 - Step 4: Simplify right side
132,658.24x = 18,036,436,141.21 - Step 5: Solve for x
x = 18,036,436,141.21/132,658.24 - Step 6: Final answer
x = 135,961.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.