Finding the Fourth Proportional to 272,759.55, 376,381.21 and 151,912.08
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Solution
The fourth proportional to 272,759.55, 376,381.21 and 151,912.08 is: 209,623.65
Step by Step Solution
- Step 1: Write the proportion equation
272,759.55 : 376,381.21 = 151,912.08 : x - Step 2: Convert to fraction form
272,759.55/376,381.21 = 151,912.08/x - Step 3: Cross multiply
272,759.55x = 376,381.21 × 151,912.08 - Step 4: Simplify right side
272,759.55x = 57,176,852,484.02 - Step 5: Solve for x
x = 57,176,852,484.02/272,759.55 - Step 6: Final answer
x = 209,623.65
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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.