Finding the Fourth Proportional to 239,183.60, 330,075.60 and 131,754.08
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Solution
The fourth proportional to 239,183.60, 330,075.60 and 131,754.08 is: 181,821.86
Step by Step Solution
- Step 1: Write the proportion equation
239,183.60 : 330,075.60 = 131,754.08 : x - Step 2: Convert to fraction form
239,183.60/330,075.60 = 131,754.08/x - Step 3: Cross multiply
239,183.60x = 330,075.60 × 131,754.08 - Step 4: Simplify right side
239,183.60x = 43,488,807,008.45 - Step 5: Solve for x
x = 43,488,807,008.45/239,183.60 - Step 6: Final answer
x = 181,821.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.