Finding the Fourth Proportional to 237,432.60, 327,688.20 and 135,434.70
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Solution
The fourth proportional to 237,432.60, 327,688.20 and 135,434.70 is: 186,917.69
Step by Step Solution
- Step 1: Write the proportion equation
237,432.60 : 327,688.20 = 135,434.70 : x - Step 2: Convert to fraction form
237,432.60/327,688.20 = 135,434.70/x - Step 3: Cross multiply
237,432.60x = 327,688.20 × 135,434.70 - Step 4: Simplify right side
237,432.60x = 44,380,353,060.54 - Step 5: Solve for x
x = 44,380,353,060.54/237,432.60 - Step 6: Final answer
x = 186,917.69
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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.