Finding the Fourth Proportional to 109,596.66, 164,356.11 and 39,457.14
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Solution
The fourth proportional to 109,596.66, 164,356.11 and 39,457.14 is: 59,171.71
Step by Step Solution
- Step 1: Write the proportion equation
109,596.66 : 164,356.11 = 39,457.14 : x - Step 2: Convert to fraction form
109,596.66/164,356.11 = 39,457.14/x - Step 3: Cross multiply
109,596.66x = 164,356.11 × 39,457.14 - Step 4: Simplify right side
109,596.66x = 6,485,022,042.13 - Step 5: Solve for x
x = 6,485,022,042.13/109,596.66 - Step 6: Final answer
x = 59,171.71
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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.