Finding the Fourth Proportional to 225,740.94, 311,415.17 and 135,078.65
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Solution
The fourth proportional to 225,740.94, 311,415.17 and 135,078.65 is: 186,344.31
Step by Step Solution
- Step 1: Write the proportion equation
225,740.94 : 311,415.17 = 135,078.65 : x - Step 2: Convert to fraction form
225,740.94/311,415.17 = 135,078.65/x - Step 3: Cross multiply
225,740.94x = 311,415.17 × 135,078.65 - Step 4: Simplify right side
225,740.94x = 42,065,539,688.46 - Step 5: Solve for x
x = 42,065,539,688.46/225,740.94 - Step 6: Final answer
x = 186,344.31
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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.