Finding the Fourth Proportional to 177,769.15, 245,325.27 and 106,135.81
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Solution
The fourth proportional to 177,769.15, 245,325.27 and 106,135.81 is: 146,469.71
Step by Step Solution
- Step 1: Write the proportion equation
177,769.15 : 245,325.27 = 106,135.81 : x - Step 2: Convert to fraction form
177,769.15/245,325.27 = 106,135.81/x - Step 3: Cross multiply
177,769.15x = 245,325.27 × 106,135.81 - Step 4: Simplify right side
177,769.15x = 26,037,796,244.92 - Step 5: Solve for x
x = 26,037,796,244.92/177,769.15 - Step 6: Final answer
x = 146,469.71
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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.