Finding the Fourth Proportional to 226,119.04, 312,076.74 and 135,478.60
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Solution
The fourth proportional to 226,119.04, 312,076.74 and 135,478.60 is: 186,979.92
Step by Step Solution
- Step 1: Write the proportion equation
226,119.04 : 312,076.74 = 135,478.60 : x - Step 2: Convert to fraction form
226,119.04/312,076.74 = 135,478.60/x - Step 3: Cross multiply
226,119.04x = 312,076.74 × 135,478.60 - Step 4: Simplify right side
226,119.04x = 42,279,719,827.76 - Step 5: Solve for x
x = 42,279,719,827.76/226,119.04 - Step 6: Final answer
x = 186,979.92
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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.