Finding the Fourth Proportional to 194,858.40, 292,214.70 and 68,449.80
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Solution
The fourth proportional to 194,858.40, 292,214.70 and 68,449.80 is: 102,649.09
Step by Step Solution
- Step 1: Write the proportion equation
194,858.40 : 292,214.70 = 68,449.80 : x - Step 2: Convert to fraction form
194,858.40/292,214.70 = 68,449.80/x - Step 3: Cross multiply
194,858.40x = 292,214.70 × 68,449.80 - Step 4: Simplify right side
194,858.40x = 20,002,037,772.06 - Step 5: Solve for x
x = 20,002,037,772.06/194,858.40 - Step 6: Final answer
x = 102,649.09
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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.