Finding the Fourth Proportional to 438,325.36, 656,939.20 and 235,422.84
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Solution
The fourth proportional to 438,325.36, 656,939.20 and 235,422.84 is: 352,839.48
Step by Step Solution
- Step 1: Write the proportion equation
438,325.36 : 656,939.20 = 235,422.84 : x - Step 2: Convert to fraction form
438,325.36/656,939.20 = 235,422.84/x - Step 3: Cross multiply
438,325.36x = 656,939.20 × 235,422.84 - Step 4: Simplify right side
438,325.36x = 154,658,492,171.33 - Step 5: Solve for x
x = 154,658,492,171.33/438,325.36 - Step 6: Final answer
x = 352,839.48
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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.