Finding the Fourth Proportional to 147,576.67, 203,640.09 and 83,044.78
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Solution
The fourth proportional to 147,576.67, 203,640.09 and 83,044.78 is: 114,592.95
Step by Step Solution
- Step 1: Write the proportion equation
147,576.67 : 203,640.09 = 83,044.78 : x - Step 2: Convert to fraction form
147,576.67/203,640.09 = 83,044.78/x - Step 3: Cross multiply
147,576.67x = 203,640.09 × 83,044.78 - Step 4: Simplify right side
147,576.67x = 16,911,246,473.23 - Step 5: Solve for x
x = 16,911,246,473.23/147,576.67 - Step 6: Final answer
x = 114,592.95
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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.