Finding the Fourth Proportional to 371,793.28, 556,230.06 and 286,912.18
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Solution
The fourth proportional to 371,793.28, 556,230.06 and 286,912.18 is: 429,241.70
Step by Step Solution
- Step 1: Write the proportion equation
371,793.28 : 556,230.06 = 286,912.18 : x - Step 2: Convert to fraction form
371,793.28/556,230.06 = 286,912.18/x - Step 3: Cross multiply
371,793.28x = 556,230.06 × 286,912.18 - Step 4: Simplify right side
371,793.28x = 159,589,179,096.13 - Step 5: Solve for x
x = 159,589,179,096.13/371,793.28 - Step 6: Final answer
x = 429,241.70
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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.