Finding the Fourth Proportional to 327,812.08, 491,407.08 and 117,341.68
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Solution
The fourth proportional to 327,812.08, 491,407.08 and 117,341.68 is: 175,901.18
Step by Step Solution
- Step 1: Write the proportion equation
327,812.08 : 491,407.08 = 117,341.68 : x - Step 2: Convert to fraction form
327,812.08/491,407.08 = 117,341.68/x - Step 3: Cross multiply
327,812.08x = 491,407.08 × 117,341.68 - Step 4: Simplify right side
327,812.08x = 57,662,532,331.09 - Step 5: Solve for x
x = 57,662,532,331.09/327,812.08 - Step 6: Final answer
x = 175,901.18
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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.