Finding the Fourth Proportional to 115,326.08, 172,996.44 and 48,753.80
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Solution
The fourth proportional to 115,326.08, 172,996.44 and 48,753.80 is: 73,133.79
Step by Step Solution
- Step 1: Write the proportion equation
115,326.08 : 172,996.44 = 48,753.80 : x - Step 2: Convert to fraction form
115,326.08/172,996.44 = 48,753.80/x - Step 3: Cross multiply
115,326.08x = 172,996.44 × 48,753.80 - Step 4: Simplify right side
115,326.08x = 8,434,233,836.47 - Step 5: Solve for x
x = 8,434,233,836.47/115,326.08 - Step 6: Final answer
x = 73,133.79
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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.