Finding the Fourth Proportional to 460,040.23, 690,135.25 and 135,861.12
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Solution
The fourth proportional to 460,040.23, 690,135.25 and 135,861.12 is: 203,813.80
Step by Step Solution
- Step 1: Write the proportion equation
460,040.23 : 690,135.25 = 135,861.12 : x - Step 2: Convert to fraction form
460,040.23/690,135.25 = 135,861.12/x - Step 3: Cross multiply
460,040.23x = 690,135.25 × 135,861.12 - Step 4: Simplify right side
460,040.23x = 93,762,548,016.48 - Step 5: Solve for x
x = 93,762,548,016.48/460,040.23 - Step 6: Final answer
x = 203,813.80
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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.