Finding the Fourth Proportional to 428,590.63, 591,469.46 and 237,592.63
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Solution
The fourth proportional to 428,590.63, 591,469.46 and 237,592.63 is: 327,885.81
Step by Step Solution
- Step 1: Write the proportion equation
428,590.63 : 591,469.46 = 237,592.63 : x - Step 2: Convert to fraction form
428,590.63/591,469.46 = 237,592.63/x - Step 3: Cross multiply
428,590.63x = 591,469.46 × 237,592.63 - Step 4: Simplify right side
428,590.63x = 140,528,784,566.08 - Step 5: Solve for x
x = 140,528,784,566.08/428,590.63 - Step 6: Final answer
x = 327,885.81
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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.