Finding the Fourth Proportional to 199,101.68, 274,758.18 and 114,232.04
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Solution
The fourth proportional to 199,101.68, 274,758.18 and 114,232.04 is: 157,638.99
Step by Step Solution
- Step 1: Write the proportion equation
199,101.68 : 274,758.18 = 114,232.04 : x - Step 2: Convert to fraction form
199,101.68/274,758.18 = 114,232.04/x - Step 3: Cross multiply
199,101.68x = 274,758.18 × 114,232.04 - Step 4: Simplify right side
199,101.68x = 31,386,187,408.09 - Step 5: Solve for x
x = 31,386,187,408.09/199,101.68 - Step 6: Final answer
x = 157,638.99
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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.