Finding the Fourth Proportional to 171,358.70, 236,052.47 and 145,783.14
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Solution
The fourth proportional to 171,358.70, 236,052.47 and 145,783.14 is: 200,821.26
Step by Step Solution
- Step 1: Write the proportion equation
171,358.70 : 236,052.47 = 145,783.14 : x - Step 2: Convert to fraction form
171,358.70/236,052.47 = 145,783.14/x - Step 3: Cross multiply
171,358.70x = 236,052.47 × 145,783.14 - Step 4: Simplify right side
171,358.70x = 34,412,469,552.44 - Step 5: Solve for x
x = 34,412,469,552.44/171,358.70 - Step 6: Final answer
x = 200,821.26
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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.