Finding the Fourth Proportional to 656,425.40, 984,638.10 and 235,743.80
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Solution
The fourth proportional to 656,425.40, 984,638.10 and 235,743.80 is: 353,615.70
Step by Step Solution
- Step 1: Write the proportion equation
656,425.40 : 984,638.10 = 235,743.80 : x - Step 2: Convert to fraction form
656,425.40/984,638.10 = 235,743.80/x - Step 3: Cross multiply
656,425.40x = 984,638.10 × 235,743.80 - Step 4: Simplify right side
656,425.40x = 232,122,327,318.78 - Step 5: Solve for x
x = 232,122,327,318.78/656,425.40 - Step 6: Final answer
x = 353,615.70
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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.