Finding the Fourth Proportional to 287,060.88, 396,108.36 and 159,727.44
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Solution
The fourth proportional to 287,060.88, 396,108.36 and 159,727.44 is: 220,404.03
Step by Step Solution
- Step 1: Write the proportion equation
287,060.88 : 396,108.36 = 159,727.44 : x - Step 2: Convert to fraction form
287,060.88/396,108.36 = 159,727.44/x - Step 3: Cross multiply
287,060.88x = 396,108.36 × 159,727.44 - Step 4: Simplify right side
287,060.88x = 63,269,374,305.40 - Step 5: Solve for x
x = 63,269,374,305.40/287,060.88 - Step 6: Final answer
x = 220,404.03
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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.