Finding the Fourth Proportional to 327,317.49, 490,955.84 and 156,660.41
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Solution
The fourth proportional to 327,317.49, 490,955.84 and 156,660.41 is: 234,980.85
Step by Step Solution
- Step 1: Write the proportion equation
327,317.49 : 490,955.84 = 156,660.41 : x - Step 2: Convert to fraction form
327,317.49/490,955.84 = 156,660.41/x - Step 3: Cross multiply
327,317.49x = 490,955.84 × 156,660.41 - Step 4: Simplify right side
327,317.49x = 76,913,343,186.29 - Step 5: Solve for x
x = 76,913,343,186.29/327,317.49 - Step 6: Final answer
x = 234,980.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.