Finding the Fourth Proportional to 432,987.44, 649,586.79 and 305,152.97
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Solution
The fourth proportional to 432,987.44, 649,586.79 and 305,152.97 is: 457,803.90
Step by Step Solution
- Step 1: Write the proportion equation
432,987.44 : 649,586.79 = 305,152.97 : x - Step 2: Convert to fraction form
432,987.44/649,586.79 = 305,152.97/x - Step 3: Cross multiply
432,987.44x = 649,586.79 × 305,152.97 - Step 4: Simplify right side
432,987.44x = 198,223,338,647.26 - Step 5: Solve for x
x = 198,223,338,647.26/432,987.44 - Step 6: Final answer
x = 457,803.90
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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.