Finding the Fourth Proportional to 143,991.09, 216,028.08 and 44,166.06
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Solution
The fourth proportional to 143,991.09, 216,028.08 and 44,166.06 is: 66,261.80
Step by Step Solution
- Step 1: Write the proportion equation
143,991.09 : 216,028.08 = 44,166.06 : x - Step 2: Convert to fraction form
143,991.09/216,028.08 = 44,166.06/x - Step 3: Cross multiply
143,991.09x = 216,028.08 × 44,166.06 - Step 4: Simplify right side
143,991.09x = 9,541,109,142.96 - Step 5: Solve for x
x = 9,541,109,142.96/143,991.09 - Step 6: Final answer
x = 66,261.80
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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.