Finding the Fourth Proportional to 225,506.68, 311,194.62 and 130,007.68
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Solution
The fourth proportional to 225,506.68, 311,194.62 and 130,007.68 is: 179,407.95
Step by Step Solution
- Step 1: Write the proportion equation
225,506.68 : 311,194.62 = 130,007.68 : x - Step 2: Convert to fraction form
225,506.68/311,194.62 = 130,007.68/x - Step 3: Cross multiply
225,506.68x = 311,194.62 × 130,007.68 - Step 4: Simplify right side
225,506.68x = 40,457,690,574.68 - Step 5: Solve for x
x = 40,457,690,574.68/225,506.68 - Step 6: Final answer
x = 179,407.95
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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.