Finding the Fourth Proportional to 168,310.99, 232,278.09 and 96,695.65
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Solution
The fourth proportional to 168,310.99, 232,278.09 and 96,695.65 is: 133,445.12
Step by Step Solution
- Step 1: Write the proportion equation
168,310.99 : 232,278.09 = 96,695.65 : x - Step 2: Convert to fraction form
168,310.99/232,278.09 = 96,695.65/x - Step 3: Cross multiply
168,310.99x = 232,278.09 × 96,695.65 - Step 4: Simplify right side
168,310.99x = 22,460,279,731.92 - Step 5: Solve for x
x = 22,460,279,731.92/168,310.99 - Step 6: Final answer
x = 133,445.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.