Finding the Fourth Proportional to 115,379.08, 173,345.10 and 73,907.08
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Solution
The fourth proportional to 115,379.08, 173,345.10 and 73,907.08 is: 111,037.72
Step by Step Solution
- Step 1: Write the proportion equation
115,379.08 : 173,345.10 = 73,907.08 : x - Step 2: Convert to fraction form
115,379.08/173,345.10 = 73,907.08/x - Step 3: Cross multiply
115,379.08x = 173,345.10 × 73,907.08 - Step 4: Simplify right side
115,379.08x = 12,811,430,173.31 - Step 5: Solve for x
x = 12,811,430,173.31/115,379.08 - Step 6: Final answer
x = 111,037.72
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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.