Finding the Fourth Proportional to 657,687.66, 986,154.66 and 202,160.26
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Solution
The fourth proportional to 657,687.66, 986,154.66 and 202,160.26 is: 303,124.56
Step by Step Solution
- Step 1: Write the proportion equation
657,687.66 : 986,154.66 = 202,160.26 : x - Step 2: Convert to fraction form
657,687.66/986,154.66 = 202,160.26/x - Step 3: Cross multiply
657,687.66x = 986,154.66 × 202,160.26 - Step 4: Simplify right side
657,687.66x = 199,361,282,465.81 - Step 5: Solve for x
x = 199,361,282,465.81/657,687.66 - Step 6: Final answer
x = 303,124.56
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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.