Finding the Fourth Proportional to 225,059.08, 310,619.72 and 129,621.03
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Solution
The fourth proportional to 225,059.08, 310,619.72 and 129,621.03 is: 178,899.02
Step by Step Solution
- Step 1: Write the proportion equation
225,059.08 : 310,619.72 = 129,621.03 : x - Step 2: Convert to fraction form
225,059.08/310,619.72 = 129,621.03/x - Step 3: Cross multiply
225,059.08x = 310,619.72 × 129,621.03 - Step 4: Simplify right side
225,059.08x = 40,262,848,044.71 - Step 5: Solve for x
x = 40,262,848,044.71/225,059.08 - Step 6: Final answer
x = 178,899.02
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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.