Finding the Fourth Proportional to 178,660.38, 246,666.70 and 110,749.58
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Solution
The fourth proportional to 178,660.38, 246,666.70 and 110,749.58 is: 152,905.94
Step by Step Solution
- Step 1: Write the proportion equation
178,660.38 : 246,666.70 = 110,749.58 : x - Step 2: Convert to fraction form
178,660.38/246,666.70 = 110,749.58/x - Step 3: Cross multiply
178,660.38x = 246,666.70 × 110,749.58 - Step 4: Simplify right side
178,660.38x = 27,318,233,424.99 - Step 5: Solve for x
x = 27,318,233,424.99/178,660.38 - Step 6: Final answer
x = 152,905.94
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1.5x scale
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.