Finding the Fourth Proportional to 167,904.93, 251,857.13 and 115,154.49
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Solution
The fourth proportional to 167,904.93, 251,857.13 and 115,154.49 is: 172,731.55
Step by Step Solution
- Step 1: Write the proportion equation
167,904.93 : 251,857.13 = 115,154.49 : x - Step 2: Convert to fraction form
167,904.93/251,857.13 = 115,154.49/x - Step 3: Cross multiply
167,904.93x = 251,857.13 × 115,154.49 - Step 4: Simplify right side
167,904.93x = 29,002,478,782.24 - Step 5: Solve for x
x = 29,002,478,782.24/167,904.93 - Step 6: Final answer
x = 172,731.55
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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.