Finding the Fourth Proportional to 197,259.96, 272,213.27 and 111,218.18
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Solution
The fourth proportional to 197,259.96, 272,213.27 and 111,218.18 is: 153,478.00
Step by Step Solution
- Step 1: Write the proportion equation
197,259.96 : 272,213.27 = 111,218.18 : x - Step 2: Convert to fraction form
197,259.96/272,213.27 = 111,218.18/x - Step 3: Cross multiply
197,259.96x = 272,213.27 × 111,218.18 - Step 4: Simplify right side
197,259.96x = 30,275,063,500.36 - Step 5: Solve for x
x = 30,275,063,500.36/197,259.96 - Step 6: Final answer
x = 153,478.00
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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.