Finding the Fourth Proportional to 167,910.06, 251,864.80 and 115,159.62
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Solution
The fourth proportional to 167,910.06, 251,864.80 and 115,159.62 is: 172,739.23
Step by Step Solution
- Step 1: Write the proportion equation
167,910.06 : 251,864.80 = 115,159.62 : x - Step 2: Convert to fraction form
167,910.06/251,864.80 = 115,159.62/x - Step 3: Cross multiply
167,910.06x = 251,864.80 × 115,159.62 - Step 4: Simplify right side
167,910.06x = 29,004,654,659.38 - Step 5: Solve for x
x = 29,004,654,659.38/167,910.06 - Step 6: Final answer
x = 172,739.23
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1.5x scale
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.