Finding the Fourth Proportional to 486,509.36, 729,833.69 and 149,578.31
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Solution
The fourth proportional to 486,509.36, 729,833.69 and 149,578.31 is: 224,388.88
Step by Step Solution
- Step 1: Write the proportion equation
486,509.36 : 729,833.69 = 149,578.31 : x - Step 2: Convert to fraction form
486,509.36/729,833.69 = 149,578.31/x - Step 3: Cross multiply
486,509.36x = 729,833.69 × 149,578.31 - Step 4: Simplify right side
486,509.36x = 109,167,289,392.92 - Step 5: Solve for x
x = 109,167,289,392.92/486,509.36 - Step 6: Final answer
x = 224,388.88
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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.