Finding the Fourth Proportional to 312,042.24, 468,082.80 and 125,029.44
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Solution
The fourth proportional to 312,042.24, 468,082.80 and 125,029.44 is: 187,551.95
Step by Step Solution
- Step 1: Write the proportion equation
312,042.24 : 468,082.80 = 125,029.44 : x - Step 2: Convert to fraction form
312,042.24/468,082.80 = 125,029.44/x - Step 3: Cross multiply
312,042.24x = 468,082.80 × 125,029.44 - Step 4: Simplify right side
312,042.24x = 58,524,130,357.63 - Step 5: Solve for x
x = 58,524,130,357.63/312,042.24 - Step 6: Final answer
x = 187,551.95
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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.