Finding the Fourth Proportional to 194,649.87, 268,623.23 and 112,971.95
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Solution
The fourth proportional to 194,649.87, 268,623.23 and 112,971.95 is: 155,905.01
Step by Step Solution
- Step 1: Write the proportion equation
194,649.87 : 268,623.23 = 112,971.95 : x - Step 2: Convert to fraction form
194,649.87/268,623.23 = 112,971.95/x - Step 3: Cross multiply
194,649.87x = 268,623.23 × 112,971.95 - Step 4: Simplify right side
194,649.87x = 30,346,890,108.40 - Step 5: Solve for x
x = 30,346,890,108.40/194,649.87 - Step 6: Final answer
x = 155,905.01
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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.