Finding the Fourth Proportional to 356,424.75, 491,745.06 and 203,352.98
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Solution
The fourth proportional to 356,424.75, 491,745.06 and 203,352.98 is: 280,558.02
Step by Step Solution
- Step 1: Write the proportion equation
356,424.75 : 491,745.06 = 203,352.98 : x - Step 2: Convert to fraction form
356,424.75/491,745.06 = 203,352.98/x - Step 3: Cross multiply
356,424.75x = 491,745.06 × 203,352.98 - Step 4: Simplify right side
356,424.75x = 99,997,820,892.55 - Step 5: Solve for x
x = 99,997,820,892.55/356,424.75 - Step 6: Final answer
x = 280,558.02
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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.