Finding the Fourth Proportional to 247,186.08, 341,119.42 and 145,215.79
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Solution
The fourth proportional to 247,186.08, 341,119.42 and 145,215.79 is: 200,399.33
Step by Step Solution
- Step 1: Write the proportion equation
247,186.08 : 341,119.42 = 145,215.79 : x - Step 2: Convert to fraction form
247,186.08/341,119.42 = 145,215.79/x - Step 3: Cross multiply
247,186.08x = 341,119.42 × 145,215.79 - Step 4: Simplify right side
247,186.08x = 49,535,924,843.80 - Step 5: Solve for x
x = 49,535,924,843.80/247,186.08 - Step 6: Final answer
x = 200,399.33
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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.