Finding the Fourth Proportional to 205,371.84, 307,924.92 and 135,037.92
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Solution
The fourth proportional to 205,371.84, 307,924.92 and 135,037.92 is: 202,469.53
Step by Step Solution
- Step 1: Write the proportion equation
205,371.84 : 307,924.92 = 135,037.92 : x - Step 2: Convert to fraction form
205,371.84/307,924.92 = 135,037.92/x - Step 3: Cross multiply
205,371.84x = 307,924.92 × 135,037.92 - Step 4: Simplify right side
205,371.84x = 41,581,540,712.97 - Step 5: Solve for x
x = 41,581,540,712.97/205,371.84 - Step 6: Final answer
x = 202,469.53
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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.