Finding the Fourth Proportional to 310,043.10, 465,107.85 and 132,548.70
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Solution
The fourth proportional to 310,043.10, 465,107.85 and 132,548.70 is: 198,841.52
Step by Step Solution
- Step 1: Write the proportion equation
310,043.10 : 465,107.85 = 132,548.70 : x - Step 2: Convert to fraction form
310,043.10/465,107.85 = 132,548.70/x - Step 3: Cross multiply
310,043.10x = 465,107.85 × 132,548.70 - Step 4: Simplify right side
310,043.10x = 61,649,440,877.30 - Step 5: Solve for x
x = 61,649,440,877.30/310,043.10 - Step 6: Final answer
x = 198,841.52
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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.