Finding the Fourth Proportional to 186,947.08, 257,974.96 and 102,063.96
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Solution
The fourth proportional to 186,947.08, 257,974.96 and 102,063.96 is: 140,841.71
Step by Step Solution
- Step 1: Write the proportion equation
186,947.08 : 257,974.96 = 102,063.96 : x - Step 2: Convert to fraction form
186,947.08/257,974.96 = 102,063.96/x - Step 3: Cross multiply
186,947.08x = 257,974.96 × 102,063.96 - Step 4: Simplify right side
186,947.08x = 26,329,945,998.44 - Step 5: Solve for x
x = 26,329,945,998.44/186,947.08 - Step 6: Final answer
x = 140,841.71
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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.