Finding the Fourth Proportional to 465,564.16, 642,447.36 and 274,568.96
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Solution
The fourth proportional to 465,564.16, 642,447.36 and 274,568.96 is: 378,886.78
Step by Step Solution
- Step 1: Write the proportion equation
465,564.16 : 642,447.36 = 274,568.96 : x - Step 2: Convert to fraction form
465,564.16/642,447.36 = 274,568.96/x - Step 3: Cross multiply
465,564.16x = 642,447.36 × 274,568.96 - Step 4: Simplify right side
465,564.16x = 176,396,103,489.95 - Step 5: Solve for x
x = 176,396,103,489.95/465,564.16 - Step 6: Final answer
x = 378,886.78
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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.