Finding the Fourth Proportional to 372,534.20, 558,936.48 and 230,213.60
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Solution
The fourth proportional to 372,534.20, 558,936.48 and 230,213.60 is: 345,403.94
Step by Step Solution
- Step 1: Write the proportion equation
372,534.20 : 558,936.48 = 230,213.60 : x - Step 2: Convert to fraction form
372,534.20/558,936.48 = 230,213.60/x - Step 3: Cross multiply
372,534.20x = 558,936.48 × 230,213.60 - Step 4: Simplify right side
372,534.20x = 128,674,779,232.13 - Step 5: Solve for x
x = 128,674,779,232.13/372,534.20 - Step 6: Final answer
x = 345,403.94
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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.