Finding the Fourth Proportional to 125,575.76, 188,292.64 and 41,313.12
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Solution
The fourth proportional to 125,575.76, 188,292.64 and 41,313.12 is: 61,946.32
Step by Step Solution
- Step 1: Write the proportion equation
125,575.76 : 188,292.64 = 41,313.12 : x - Step 2: Convert to fraction form
125,575.76/188,292.64 = 41,313.12/x - Step 3: Cross multiply
125,575.76x = 188,292.64 × 41,313.12 - Step 4: Simplify right side
125,575.76x = 7,778,956,431.44 - Step 5: Solve for x
x = 7,778,956,431.44/125,575.76 - Step 6: Final answer
x = 61,946.32
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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.