Finding the Fourth Proportional to 147,696.24, 221,741.28 and 125,651.28
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Solution
The fourth proportional to 147,696.24, 221,741.28 and 125,651.28 is: 188,644.45
Step by Step Solution
- Step 1: Write the proportion equation
147,696.24 : 221,741.28 = 125,651.28 : x - Step 2: Convert to fraction form
147,696.24/221,741.28 = 125,651.28/x - Step 3: Cross multiply
147,696.24x = 221,741.28 × 125,651.28 - Step 4: Simplify right side
147,696.24x = 27,862,075,660.84 - Step 5: Solve for x
x = 27,862,075,660.84/147,696.24 - Step 6: Final answer
x = 188,644.45
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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.