Finding the Fourth Proportional to 657,101.92, 985,708.20 and 207,812.81
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Solution
The fourth proportional to 657,101.92, 985,708.20 and 207,812.81 is: 311,736.71
Step by Step Solution
- Step 1: Write the proportion equation
657,101.92 : 985,708.20 = 207,812.81 : x - Step 2: Convert to fraction form
657,101.92/985,708.20 = 207,812.81/x - Step 3: Cross multiply
657,101.92x = 985,708.20 × 207,812.81 - Step 4: Simplify right side
657,101.92x = 204,842,790,882.04 - Step 5: Solve for x
x = 204,842,790,882.04/657,101.92 - Step 6: Final answer
x = 311,736.71
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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.