Finding the Fourth Proportional to 225,998.94, 311,855.82 and 135,352.58
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Solution
The fourth proportional to 225,998.94, 311,855.82 and 135,352.58 is: 186,772.95
Step by Step Solution
- Step 1: Write the proportion equation
225,998.94 : 311,855.82 = 135,352.58 : x - Step 2: Convert to fraction form
225,998.94/311,855.82 = 135,352.58/x - Step 3: Cross multiply
225,998.94x = 311,855.82 × 135,352.58 - Step 4: Simplify right side
225,998.94x = 42,210,489,825.02 - Step 5: Solve for x
x = 42,210,489,825.02/225,998.94 - Step 6: Final answer
x = 186,772.95
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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.