Finding the Fourth Proportional to 219,936.80, 303,356.21 and 201,845.95
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Solution
The fourth proportional to 219,936.80, 303,356.21 and 201,845.95 is: 278,403.70
Step by Step Solution
- Step 1: Write the proportion equation
219,936.80 : 303,356.21 = 201,845.95 : x - Step 2: Convert to fraction form
219,936.80/303,356.21 = 201,845.95/x - Step 3: Cross multiply
219,936.80x = 303,356.21 × 201,845.95 - Step 4: Simplify right side
219,936.80x = 61,231,220,628.23 - Step 5: Solve for x
x = 61,231,220,628.23/219,936.80 - Step 6: Final answer
x = 278,403.70
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1.5x scale
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.