Finding the Fourth Proportional to 264,876.08, 397,305.20 and 115,116.39
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Solution
The fourth proportional to 264,876.08, 397,305.20 and 115,116.39 is: 172,670.70
Step by Step Solution
- Step 1: Write the proportion equation
264,876.08 : 397,305.20 = 115,116.39 : x - Step 2: Convert to fraction form
264,876.08/397,305.20 = 115,116.39/x - Step 3: Cross multiply
264,876.08x = 397,305.20 × 115,116.39 - Step 4: Simplify right side
264,876.08x = 45,736,337,790.12 - Step 5: Solve for x
x = 45,736,337,790.12/264,876.08 - Step 6: Final answer
x = 172,670.70
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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.