Finding the Fourth Proportional to 253,239.36, 379,034.88 and 186,652.80
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Solution
The fourth proportional to 253,239.36, 379,034.88 and 186,652.80 is: 279,371.74
Step by Step Solution
- Step 1: Write the proportion equation
253,239.36 : 379,034.88 = 186,652.80 : x - Step 2: Convert to fraction form
253,239.36/379,034.88 = 186,652.80/x - Step 3: Cross multiply
253,239.36x = 379,034.88 × 186,652.80 - Step 4: Simplify right side
253,239.36x = 70,747,921,649.66 - Step 5: Solve for x
x = 70,747,921,649.66/253,239.36 - Step 6: Final answer
x = 279,371.74
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1.5x scale
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.