Finding the Fourth Proportional to 115,148.98, 172,723.47 and 44,979.08
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Solution
The fourth proportional to 115,148.98, 172,723.47 and 44,979.08 is: 67,468.62
Step by Step Solution
- Step 1: Write the proportion equation
115,148.98 : 172,723.47 = 44,979.08 : x - Step 2: Convert to fraction form
115,148.98/172,723.47 = 44,979.08/x - Step 3: Cross multiply
115,148.98x = 172,723.47 × 44,979.08 - Step 4: Simplify right side
115,148.98x = 7,768,942,714.29 - Step 5: Solve for x
x = 7,768,942,714.29/115,148.98 - Step 6: Final answer
x = 67,468.62
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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.