Finding the Fourth Proportional to 199,864.62, 275,816.79 and 109,224.41
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Solution
The fourth proportional to 199,864.62, 275,816.79 and 109,224.41 is: 150,731.65
Step by Step Solution
- Step 1: Write the proportion equation
199,864.62 : 275,816.79 = 109,224.41 : x - Step 2: Convert to fraction form
199,864.62/275,816.79 = 109,224.41/x - Step 3: Cross multiply
199,864.62x = 275,816.79 × 109,224.41 - Step 4: Simplify right side
199,864.62x = 30,125,924,776.76 - Step 5: Solve for x
x = 30,125,924,776.76/199,864.62 - Step 6: Final answer
x = 150,731.65
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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.