Finding the Fourth Proportional to 352,333.22, 486,214.62 and 207,155.36
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Solution
The fourth proportional to 352,333.22, 486,214.62 and 207,155.36 is: 285,871.32
Step by Step Solution
- Step 1: Write the proportion equation
352,333.22 : 486,214.62 = 207,155.36 : x - Step 2: Convert to fraction form
352,333.22/486,214.62 = 207,155.36/x - Step 3: Cross multiply
352,333.22x = 486,214.62 × 207,155.36 - Step 4: Simplify right side
352,333.22x = 100,721,962,212.29 - Step 5: Solve for x
x = 100,721,962,212.29/352,333.22 - Step 6: Final answer
x = 285,871.32
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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.