Finding the Fourth Proportional to 352,026.36, 485,806.14 and 199,087.53
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Solution
The fourth proportional to 352,026.36, 485,806.14 and 199,087.53 is: 274,746.31
Step by Step Solution
- Step 1: Write the proportion equation
352,026.36 : 485,806.14 = 199,087.53 : x - Step 2: Convert to fraction form
352,026.36/485,806.14 = 199,087.53/x - Step 3: Cross multiply
352,026.36x = 485,806.14 × 199,087.53 - Step 4: Simplify right side
352,026.36x = 96,717,944,471.43 - Step 5: Solve for x
x = 96,717,944,471.43/352,026.36 - Step 6: Final answer
x = 274,746.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.