Finding the Fourth Proportional to 125,396.05, 188,006.59 and 46,489.09
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Solution
The fourth proportional to 125,396.05, 188,006.59 and 46,489.09 is: 69,701.20
Step by Step Solution
- Step 1: Write the proportion equation
125,396.05 : 188,006.59 = 46,489.09 : x - Step 2: Convert to fraction form
125,396.05/188,006.59 = 46,489.09/x - Step 3: Cross multiply
125,396.05x = 188,006.59 × 46,489.09 - Step 4: Simplify right side
125,396.05x = 8,740,255,354.46 - Step 5: Solve for x
x = 8,740,255,354.46/125,396.05 - Step 6: Final answer
x = 69,701.20
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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.