Finding the Fourth Proportional to 181,781.16, 272,581.08 and 115,170.48
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Solution
The fourth proportional to 181,781.16, 272,581.08 and 115,170.48 is: 172,698.28
Step by Step Solution
- Step 1: Write the proportion equation
181,781.16 : 272,581.08 = 115,170.48 : x - Step 2: Convert to fraction form
181,781.16/272,581.08 = 115,170.48/x - Step 3: Cross multiply
181,781.16x = 272,581.08 × 115,170.48 - Step 4: Simplify right side
181,781.16x = 31,393,293,822.52 - Step 5: Solve for x
x = 31,393,293,822.52/181,781.16 - Step 6: Final answer
x = 172,698.28
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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.