Finding the Fourth Proportional to 272,071.08, 408,107.58 and 82,533.06
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Solution
The fourth proportional to 272,071.08, 408,107.58 and 82,533.06 is: 123,799.88
Step by Step Solution
- Step 1: Write the proportion equation
272,071.08 : 408,107.58 = 82,533.06 : x - Step 2: Convert to fraction form
272,071.08/408,107.58 = 82,533.06/x - Step 3: Cross multiply
272,071.08x = 408,107.58 × 82,533.06 - Step 4: Simplify right side
272,071.08x = 33,682,367,386.59 - Step 5: Solve for x
x = 33,682,367,386.59/272,071.08 - Step 6: Final answer
x = 123,799.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.