Finding the Fourth Proportional to 486,191.41, 729,288.85 and 149,232.09
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Solution
The fourth proportional to 486,191.41, 729,288.85 and 149,232.09 is: 223,848.67
Step by Step Solution
- Step 1: Write the proportion equation
486,191.41 : 729,288.85 = 149,232.09 : x - Step 2: Convert to fraction form
486,191.41/729,288.85 = 149,232.09/x - Step 3: Cross multiply
486,191.41x = 729,288.85 × 149,232.09 - Step 4: Simplify right side
486,191.41x = 108,833,303,231.61 - Step 5: Solve for x
x = 108,833,303,231.61/486,191.41 - Step 6: Final answer
x = 223,848.67
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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.