Finding the Fourth Proportional to 167,695.80, 251,543.70 and 115,207.80
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Solution
The fourth proportional to 167,695.80, 251,543.70 and 115,207.80 is: 172,811.70
Step by Step Solution
- Step 1: Write the proportion equation
167,695.80 : 251,543.70 = 115,207.80 : x - Step 2: Convert to fraction form
167,695.80/251,543.70 = 115,207.80/x - Step 3: Cross multiply
167,695.80x = 251,543.70 × 115,207.80 - Step 4: Simplify right side
167,695.80x = 28,979,796,280.86 - Step 5: Solve for x
x = 28,979,796,280.86/167,695.80 - Step 6: Final answer
x = 172,811.70
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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.