Finding the Fourth Proportional to 428,347.44, 591,122.94 and 237,364.02
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Solution
The fourth proportional to 428,347.44, 591,122.94 and 237,364.02 is: 327,564.27
Step by Step Solution
- Step 1: Write the proportion equation
428,347.44 : 591,122.94 = 237,364.02 : x - Step 2: Convert to fraction form
428,347.44/591,122.94 = 237,364.02/x - Step 3: Cross multiply
428,347.44x = 591,122.94 × 237,364.02 - Step 4: Simplify right side
428,347.44x = 140,311,317,352.62 - Step 5: Solve for x
x = 140,311,317,352.62/428,347.44 - Step 6: Final answer
x = 327,564.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.