Finding the Fourth Proportional to 147,361.11, 221,043.18 and 117,965.81
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Solution
The fourth proportional to 147,361.11, 221,043.18 and 117,965.81 is: 176,949.92
Step by Step Solution
- Step 1: Write the proportion equation
147,361.11 : 221,043.18 = 117,965.81 : x - Step 2: Convert to fraction form
147,361.11/221,043.18 = 117,965.81/x - Step 3: Cross multiply
147,361.11x = 221,043.18 × 117,965.81 - Step 4: Simplify right side
147,361.11x = 26,075,536,668.46 - Step 5: Solve for x
x = 26,075,536,668.46/147,361.11 - Step 6: Final answer
x = 176,949.92
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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.