Finding the Fourth Proportional to 144,709.44, 217,125.96 and 74,637.96
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Solution
The fourth proportional to 144,709.44, 217,125.96 and 74,637.96 is: 111,988.82
Step by Step Solution
- Step 1: Write the proportion equation
144,709.44 : 217,125.96 = 74,637.96 : x - Step 2: Convert to fraction form
144,709.44/217,125.96 = 74,637.96/x - Step 3: Cross multiply
144,709.44x = 217,125.96 × 74,637.96 - Step 4: Simplify right side
144,709.44x = 16,205,838,717.44 - Step 5: Solve for x
x = 16,205,838,717.44/144,709.44 - Step 6: Final answer
x = 111,988.82
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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.