Finding the Fourth Proportional to 268,062.68, 401,809.98 and 125,787.80
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Solution
The fourth proportional to 268,062.68, 401,809.98 and 125,787.80 is: 188,548.41
Step by Step Solution
- Step 1: Write the proportion equation
268,062.68 : 401,809.98 = 125,787.80 : x - Step 2: Convert to fraction form
268,062.68/401,809.98 = 125,787.80/x - Step 3: Cross multiply
268,062.68x = 401,809.98 × 125,787.80 - Step 4: Simplify right side
268,062.68x = 50,542,793,402.24 - Step 5: Solve for x
x = 50,542,793,402.24/268,062.68 - Step 6: Final answer
x = 188,548.41
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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.