Finding the Fourth Proportional to 161,204.70, 241,515.45 and 137,876.70
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Solution
The fourth proportional to 161,204.70, 241,515.45 and 137,876.70 is: 206,565.65
Step by Step Solution
- Step 1: Write the proportion equation
161,204.70 : 241,515.45 = 137,876.70 : x - Step 2: Convert to fraction form
161,204.70/241,515.45 = 137,876.70/x - Step 3: Cross multiply
161,204.70x = 241,515.45 × 137,876.70 - Step 4: Simplify right side
161,204.70x = 33,299,353,245.02 - Step 5: Solve for x
x = 33,299,353,245.02/161,204.70 - Step 6: Final answer
x = 206,565.65
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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.