Finding the Fourth Proportional to 225,964.42, 311,840.67 and 135,335.14
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Solution
The fourth proportional to 225,964.42, 311,840.67 and 135,335.14 is: 186,768.34
Step by Step Solution
- Step 1: Write the proportion equation
225,964.42 : 311,840.67 = 135,335.14 : x - Step 2: Convert to fraction form
225,964.42/311,840.67 = 135,335.14/x - Step 3: Cross multiply
225,964.42x = 311,840.67 × 135,335.14 - Step 4: Simplify right side
225,964.42x = 42,203,000,732.14 - Step 5: Solve for x
x = 42,203,000,732.14/225,964.42 - Step 6: Final answer
x = 186,768.34
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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.