Finding the Fourth Proportional to 107,797.33, 160,938.01 and 82,363.70
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Solution
The fourth proportional to 107,797.33, 160,938.01 and 82,363.70 is: 122,966.40
Step by Step Solution
- Step 1: Write the proportion equation
107,797.33 : 160,938.01 = 82,363.70 : x - Step 2: Convert to fraction form
107,797.33/160,938.01 = 82,363.70/x - Step 3: Cross multiply
107,797.33x = 160,938.01 × 82,363.70 - Step 4: Simplify right side
107,797.33x = 13,255,450,016.24 - Step 5: Solve for x
x = 13,255,450,016.24/107,797.33 - Step 6: Final answer
x = 122,966.40
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.