Finding the Fourth Proportional to 132,465.39, 198,577.89 and 48,165.99
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Solution
The fourth proportional to 132,465.39, 198,577.89 and 48,165.99 is: 72,205.28
Step by Step Solution
- Step 1: Write the proportion equation
132,465.39 : 198,577.89 = 48,165.99 : x - Step 2: Convert to fraction form
132,465.39/198,577.89 = 48,165.99/x - Step 3: Cross multiply
132,465.39x = 198,577.89 × 48,165.99 - Step 4: Simplify right side
132,465.39x = 9,564,700,663.96 - Step 5: Solve for x
x = 9,564,700,663.96/132,465.39 - Step 6: Final answer
x = 72,205.28
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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.