Finding the Fourth Proportional to 157,013.12, 235,514.28 and 44,694.02
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Solution
The fourth proportional to 157,013.12, 235,514.28 and 44,694.02 is: 67,039.49
Step by Step Solution
- Step 1: Write the proportion equation
157,013.12 : 235,514.28 = 44,694.02 : x - Step 2: Convert to fraction form
157,013.12/235,514.28 = 44,694.02/x - Step 3: Cross multiply
157,013.12x = 235,514.28 × 44,694.02 - Step 4: Simplify right side
157,013.12x = 10,526,079,940.61 - Step 5: Solve for x
x = 10,526,079,940.61/157,013.12 - Step 6: Final answer
x = 67,039.49
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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.