Finding the Fourth Proportional to 356,305.56, 491,701.80 and 195,163.32
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Solution
The fourth proportional to 356,305.56, 491,701.80 and 195,163.32 is: 269,325.45
Step by Step Solution
- Step 1: Write the proportion equation
356,305.56 : 491,701.80 = 195,163.32 : x - Step 2: Convert to fraction form
356,305.56/491,701.80 = 195,163.32/x - Step 3: Cross multiply
356,305.56x = 491,701.80 × 195,163.32 - Step 4: Simplify right side
356,305.56x = 95,962,155,737.98 - Step 5: Solve for x
x = 95,962,155,737.98/356,305.56 - Step 6: Final answer
x = 269,325.45
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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.