Finding the Fourth Proportional to 178,022.76, 245,593.26 and 106,366.92
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Solution
The fourth proportional to 178,022.76, 245,593.26 and 106,366.92 is: 146,739.66
Step by Step Solution
- Step 1: Write the proportion equation
178,022.76 : 245,593.26 = 106,366.92 : x - Step 2: Convert to fraction form
178,022.76/245,593.26 = 106,366.92/x - Step 3: Cross multiply
178,022.76x = 245,593.26 × 106,366.92 - Step 4: Simplify right side
178,022.76x = 26,122,998,638.96 - Step 5: Solve for x
x = 26,122,998,638.96/178,022.76 - Step 6: Final answer
x = 146,739.66
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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.