Finding the Fourth Proportional to 453,755.73, 680,474.93 and 133,822.74
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Solution
The fourth proportional to 453,755.73, 680,474.93 and 133,822.74 is: 200,687.32
Step by Step Solution
- Step 1: Write the proportion equation
453,755.73 : 680,474.93 = 133,822.74 : x - Step 2: Convert to fraction form
453,755.73/680,474.93 = 133,822.74/x - Step 3: Cross multiply
453,755.73x = 680,474.93 × 133,822.74 - Step 4: Simplify right side
453,755.73x = 91,063,019,968.47 - Step 5: Solve for x
x = 91,063,019,968.47/453,755.73 - Step 6: Final answer
x = 200,687.32
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1.5x scale
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.