Finding the Fourth Proportional to 202,910.36, 280,009.05 and 112,265.96
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Solution
The fourth proportional to 202,910.36, 280,009.05 and 112,265.96 is: 154,923.02
Step by Step Solution
- Step 1: Write the proportion equation
202,910.36 : 280,009.05 = 112,265.96 : x - Step 2: Convert to fraction form
202,910.36/280,009.05 = 112,265.96/x - Step 3: Cross multiply
202,910.36x = 280,009.05 × 112,265.96 - Step 4: Simplify right side
202,910.36x = 31,435,484,806.94 - Step 5: Solve for x
x = 31,435,484,806.94/202,910.36 - Step 6: Final answer
x = 154,923.02
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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.