Finding the Fourth Proportional to 226,039.36, 311,899.68 and 135,374.08
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Solution
The fourth proportional to 226,039.36, 311,899.68 and 135,374.08 is: 186,795.49
Step by Step Solution
- Step 1: Write the proportion equation
226,039.36 : 311,899.68 = 135,374.08 : x - Step 2: Convert to fraction form
226,039.36/311,899.68 = 135,374.08/x - Step 3: Cross multiply
226,039.36x = 311,899.68 × 135,374.08 - Step 4: Simplify right side
226,039.36x = 42,223,132,232.29 - Step 5: Solve for x
x = 42,223,132,232.29/226,039.36 - Step 6: Final answer
x = 186,795.49
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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.