Finding the Fourth Proportional to 546,745.12, 754,508.60 and 305,027.68
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Solution
The fourth proportional to 546,745.12, 754,508.60 and 305,027.68 is: 420,938.38
Step by Step Solution
- Step 1: Write the proportion equation
546,745.12 : 754,508.60 = 305,027.68 : x - Step 2: Convert to fraction form
546,745.12/754,508.60 = 305,027.68/x - Step 3: Cross multiply
546,745.12x = 754,508.60 × 305,027.68 - Step 4: Simplify right side
546,745.12x = 230,146,007,798.05 - Step 5: Solve for x
x = 230,146,007,798.05/546,745.12 - Step 6: Final answer
x = 420,938.38
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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.