Finding the Fourth Proportional to 264,876.30, 397,305.68 and 115,116.77
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Solution
The fourth proportional to 264,876.30, 397,305.68 and 115,116.77 is: 172,671.35
Step by Step Solution
- Step 1: Write the proportion equation
264,876.30 : 397,305.68 = 115,116.77 : x - Step 2: Convert to fraction form
264,876.30/397,305.68 = 115,116.77/x - Step 3: Cross multiply
264,876.30x = 397,305.68 × 115,116.77 - Step 4: Simplify right side
264,876.30x = 45,736,547,001.93 - Step 5: Solve for x
x = 45,736,547,001.93/264,876.30 - Step 6: Final answer
x = 172,671.35
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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.