Finding the Fourth Proportional to 460,447.48, 690,764.97 and 194,208.98
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Solution
The fourth proportional to 460,447.48, 690,764.97 and 194,208.98 is: 291,353.02
Step by Step Solution
- Step 1: Write the proportion equation
460,447.48 : 690,764.97 = 194,208.98 : x - Step 2: Convert to fraction form
460,447.48/690,764.97 = 194,208.98/x - Step 3: Cross multiply
460,447.48x = 690,764.97 × 194,208.98 - Step 4: Simplify right side
460,447.48x = 134,152,760,243.43 - Step 5: Solve for x
x = 134,152,760,243.43/460,447.48 - Step 6: Final answer
x = 291,353.02
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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.