Finding the Fourth Proportional to 438,764.85, 658,258.11 and 202,273.61
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Solution
The fourth proportional to 438,764.85, 658,258.11 and 202,273.61 is: 303,461.50
Step by Step Solution
- Step 1: Write the proportion equation
438,764.85 : 658,258.11 = 202,273.61 : x - Step 2: Convert to fraction form
438,764.85/658,258.11 = 202,273.61/x - Step 3: Cross multiply
438,764.85x = 658,258.11 × 202,273.61 - Step 4: Simplify right side
438,764.85x = 133,148,240,930.19 - Step 5: Solve for x
x = 133,148,240,930.19/438,764.85 - Step 6: Final answer
x = 303,461.50
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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.