Finding the Fourth Proportional to 125,634.99, 188,450.95 and 36,885.32
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Solution
The fourth proportional to 125,634.99, 188,450.95 and 36,885.32 is: 55,327.53
Step by Step Solution
- Step 1: Write the proportion equation
125,634.99 : 188,450.95 = 36,885.32 : x - Step 2: Convert to fraction form
125,634.99/188,450.95 = 36,885.32/x - Step 3: Cross multiply
125,634.99x = 188,450.95 × 36,885.32 - Step 4: Simplify right side
125,634.99x = 6,951,073,595.05 - Step 5: Solve for x
x = 6,951,073,595.05/125,634.99 - Step 6: Final answer
x = 55,327.53
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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.