Finding the Fourth Proportional to 486,513.24, 729,839.52 and 149,582.18
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Solution
The fourth proportional to 486,513.24, 729,839.52 and 149,582.18 is: 224,394.69
Step by Step Solution
- Step 1: Write the proportion equation
486,513.24 : 729,839.52 = 149,582.18 : x - Step 2: Convert to fraction form
486,513.24/729,839.52 = 149,582.18/x - Step 3: Cross multiply
486,513.24x = 729,839.52 × 149,582.18 - Step 4: Simplify right side
486,513.24x = 109,170,986,451.75 - Step 5: Solve for x
x = 109,170,986,451.75/486,513.24 - Step 6: Final answer
x = 224,394.69
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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.