Finding the Fourth Proportional to 310,107.80, 465,161.70 and 88,491.80
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Solution
The fourth proportional to 310,107.80, 465,161.70 and 88,491.80 is: 132,737.70
Step by Step Solution
- Step 1: Write the proportion equation
310,107.80 : 465,161.70 = 88,491.80 : x - Step 2: Convert to fraction form
310,107.80/465,161.70 = 88,491.80/x - Step 3: Cross multiply
310,107.80x = 465,161.70 × 88,491.80 - Step 4: Simplify right side
310,107.80x = 41,162,996,124.06 - Step 5: Solve for x
x = 41,162,996,124.06/310,107.80 - Step 6: Final answer
x = 132,737.70
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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.