Finding the Fourth Proportional to 486,546.70, 729,889.80 and 149,615.65
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Solution
The fourth proportional to 486,546.70, 729,889.80 and 149,615.65 is: 224,444.92
Step by Step Solution
- Step 1: Write the proportion equation
486,546.70 : 729,889.80 = 149,615.65 : x - Step 2: Convert to fraction form
486,546.70/729,889.80 = 149,615.65/x - Step 3: Cross multiply
486,546.70x = 729,889.80 × 149,615.65 - Step 4: Simplify right side
486,546.70x = 109,202,936,855.37 - Step 5: Solve for x
x = 109,202,936,855.37/486,546.70 - Step 6: Final answer
x = 224,444.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.