Finding the Fourth Proportional to 225,599.04, 311,326.74 and 134,958.87
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Solution
The fourth proportional to 225,599.04, 311,326.74 and 134,958.87 is: 186,243.28
Step by Step Solution
- Step 1: Write the proportion equation
225,599.04 : 311,326.74 = 134,958.87 : x - Step 2: Convert to fraction form
225,599.04/311,326.74 = 134,958.87/x - Step 3: Cross multiply
225,599.04x = 311,326.74 × 134,958.87 - Step 4: Simplify right side
225,599.04x = 42,016,305,031.18 - Step 5: Solve for x
x = 42,016,305,031.18/225,599.04 - Step 6: Final answer
x = 186,243.28
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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.