Finding the Fourth Proportional to 275,056.26, 379,566.81 and 155,824.26
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Solution
The fourth proportional to 275,056.26, 379,566.81 and 155,824.26 is: 215,031.34
Step by Step Solution
- Step 1: Write the proportion equation
275,056.26 : 379,566.81 = 155,824.26 : x - Step 2: Convert to fraction form
275,056.26/379,566.81 = 155,824.26/x - Step 3: Cross multiply
275,056.26x = 379,566.81 × 155,824.26 - Step 4: Simplify right side
275,056.26x = 59,145,717,288.81 - Step 5: Solve for x
x = 59,145,717,288.81/275,056.26 - Step 6: Final answer
x = 215,031.34
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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.