Finding the Fourth Proportional to 438,960.60, 658,538.10 and 202,246.20
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Solution
The fourth proportional to 438,960.60, 658,538.10 and 202,246.20 is: 303,414.08
Step by Step Solution
- Step 1: Write the proportion equation
438,960.60 : 658,538.10 = 202,246.20 : x - Step 2: Convert to fraction form
438,960.60/658,538.10 = 202,246.20/x - Step 3: Cross multiply
438,960.60x = 658,538.10 × 202,246.20 - Step 4: Simplify right side
438,960.60x = 133,186,828,280.22 - Step 5: Solve for x
x = 133,186,828,280.22/438,960.60 - Step 6: Final answer
x = 303,414.08
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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.