Finding the Fourth Proportional to 167,428.77, 251,159.09 and 55,109.99
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Solution
The fourth proportional to 167,428.77, 251,159.09 and 55,109.99 is: 82,670.22
Step by Step Solution
- Step 1: Write the proportion equation
167,428.77 : 251,159.09 = 55,109.99 : x - Step 2: Convert to fraction form
167,428.77/251,159.09 = 55,109.99/x - Step 3: Cross multiply
167,428.77x = 251,159.09 × 55,109.99 - Step 4: Simplify right side
167,428.77x = 13,841,373,406.96 - Step 5: Solve for x
x = 13,841,373,406.96/167,428.77 - Step 6: Final answer
x = 82,670.22
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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.