Finding the Fourth Proportional to 291,642.31, 437,524.49 and 123,163.12
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Solution
The fourth proportional to 291,642.31, 437,524.49 and 123,163.12 is: 184,770.45
Step by Step Solution
- Step 1: Write the proportion equation
291,642.31 : 437,524.49 = 123,163.12 : x - Step 2: Convert to fraction form
291,642.31/437,524.49 = 123,163.12/x - Step 3: Cross multiply
291,642.31x = 437,524.49 × 123,163.12 - Step 4: Simplify right side
291,642.31x = 53,886,881,264.81 - Step 5: Solve for x
x = 53,886,881,264.81/291,642.31 - Step 6: Final answer
x = 184,770.45
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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.