Finding the Fourth Proportional to 372,112.96, 558,193.12 and 122,797.12
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Solution
The fourth proportional to 372,112.96, 558,193.12 and 122,797.12 is: 184,203.49
Step by Step Solution
- Step 1: Write the proportion equation
372,112.96 : 558,193.12 = 122,797.12 : x - Step 2: Convert to fraction form
372,112.96/558,193.12 = 122,797.12/x - Step 3: Cross multiply
372,112.96x = 558,193.12 × 122,797.12 - Step 4: Simplify right side
372,112.96x = 68,544,507,539.81 - Step 5: Solve for x
x = 68,544,507,539.81/372,112.96 - Step 6: Final answer
x = 184,203.49
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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.