Finding the Fourth Proportional to 187,286.08, 280,921.68 and 103,212.94
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Solution
The fourth proportional to 187,286.08, 280,921.68 and 103,212.94 is: 154,815.31
Step by Step Solution
- Step 1: Write the proportion equation
187,286.08 : 280,921.68 = 103,212.94 : x - Step 2: Convert to fraction form
187,286.08/280,921.68 = 103,212.94/x - Step 3: Cross multiply
187,286.08x = 280,921.68 × 103,212.94 - Step 4: Simplify right side
187,286.08x = 28,994,752,502.54 - Step 5: Solve for x
x = 28,994,752,502.54/187,286.08 - Step 6: Final answer
x = 154,815.31
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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.