Finding the Fourth Proportional to 103,155.68, 154,737.84 and 33,044.96
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Solution
The fourth proportional to 103,155.68, 154,737.84 and 33,044.96 is: 49,568.82
Step by Step Solution
- Step 1: Write the proportion equation
103,155.68 : 154,737.84 = 33,044.96 : x - Step 2: Convert to fraction form
103,155.68/154,737.84 = 33,044.96/x - Step 3: Cross multiply
103,155.68x = 154,737.84 × 33,044.96 - Step 4: Simplify right side
103,155.68x = 5,113,305,733.29 - Step 5: Solve for x
x = 5,113,305,733.29/103,155.68 - Step 6: Final answer
x = 49,568.82
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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.