Finding the Fourth Proportional to 539,789.09, 809,797.80 and 202,832.66
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Solution
The fourth proportional to 539,789.09, 809,797.80 and 202,832.66 is: 304,291.89
Step by Step Solution
- Step 1: Write the proportion equation
539,789.09 : 809,797.80 = 202,832.66 : x - Step 2: Convert to fraction form
539,789.09/809,797.80 = 202,832.66/x - Step 3: Cross multiply
539,789.09x = 809,797.80 × 202,832.66 - Step 4: Simplify right side
539,789.09x = 164,253,440,066.15 - Step 5: Solve for x
x = 164,253,440,066.15/539,789.09 - Step 6: Final answer
x = 304,291.89
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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.