Finding the Fourth Proportional to 177,639.48, 245,134.74 and 97,063.20
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Solution
The fourth proportional to 177,639.48, 245,134.74 and 97,063.20 is: 133,942.99
Step by Step Solution
- Step 1: Write the proportion equation
177,639.48 : 245,134.74 = 97,063.20 : x - Step 2: Convert to fraction form
177,639.48/245,134.74 = 97,063.20/x - Step 3: Cross multiply
177,639.48x = 245,134.74 × 97,063.20 - Step 4: Simplify right side
177,639.48x = 23,793,562,295.57 - Step 5: Solve for x
x = 23,793,562,295.57/177,639.48 - Step 6: Final answer
x = 133,942.99
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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.