Finding the Fourth Proportional to 547,293.42, 820,922.18 and 247,774.05
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Solution
The fourth proportional to 547,293.42, 820,922.18 and 247,774.05 is: 371,652.95
Step by Step Solution
- Step 1: Write the proportion equation
547,293.42 : 820,922.18 = 247,774.05 : x - Step 2: Convert to fraction form
547,293.42/820,922.18 = 247,774.05/x - Step 3: Cross multiply
547,293.42x = 820,922.18 × 247,774.05 - Step 4: Simplify right side
547,293.42x = 203,403,212,034.56 - Step 5: Solve for x
x = 203,403,212,034.56/547,293.42 - Step 6: Final answer
x = 371,652.95
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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.