Finding the Fourth Proportional to 362,877.18, 500,787.60 and 201,734.92
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Solution
The fourth proportional to 362,877.18, 500,787.60 and 201,734.92 is: 278,403.69
Step by Step Solution
- Step 1: Write the proportion equation
362,877.18 : 500,787.60 = 201,734.92 : x - Step 2: Convert to fraction form
362,877.18/500,787.60 = 201,734.92/x - Step 3: Cross multiply
362,877.18x = 500,787.60 × 201,734.92 - Step 4: Simplify right side
362,877.18x = 101,026,346,422.99 - Step 5: Solve for x
x = 101,026,346,422.99/362,877.18 - Step 6: Final answer
x = 278,403.69
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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.