Finding the Fourth Proportional to 486,509.15, 729,833.36 and 149,578.09
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Solution
The fourth proportional to 486,509.15, 729,833.36 and 149,578.09 is: 224,388.54
Step by Step Solution
- Step 1: Write the proportion equation
486,509.15 : 729,833.36 = 149,578.09 : x - Step 2: Convert to fraction form
486,509.15/729,833.36 = 149,578.09/x - Step 3: Cross multiply
486,509.15x = 729,833.36 × 149,578.09 - Step 4: Simplify right side
486,509.15x = 109,167,078,836.90 - Step 5: Solve for x
x = 109,167,078,836.90/486,509.15 - Step 6: Final answer
x = 224,388.54
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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.