Finding the Fourth Proportional to 486,466.16, 729,203.16 and 275,658.80
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Solution
The fourth proportional to 486,466.16, 729,203.16 and 275,658.80 is: 413,207.09
Step by Step Solution
- Step 1: Write the proportion equation
486,466.16 : 729,203.16 = 275,658.80 : x - Step 2: Convert to fraction form
486,466.16/729,203.16 = 275,658.80/x - Step 3: Cross multiply
486,466.16x = 729,203.16 × 275,658.80 - Step 4: Simplify right side
486,466.16x = 201,011,268,041.81 - Step 5: Solve for x
x = 201,011,268,041.81/486,466.16 - Step 6: Final answer
x = 413,207.09
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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.