Finding the Fourth Proportional to 197,997.90, 273,239.05 and 107,353.63
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Solution
The fourth proportional to 197,997.90, 273,239.05 and 107,353.63 is: 148,149.07
Step by Step Solution
- Step 1: Write the proportion equation
197,997.90 : 273,239.05 = 107,353.63 : x - Step 2: Convert to fraction form
197,997.90/273,239.05 = 107,353.63/x - Step 3: Cross multiply
197,997.90x = 273,239.05 × 107,353.63 - Step 4: Simplify right side
197,997.90x = 29,333,203,875.25 - Step 5: Solve for x
x = 29,333,203,875.25/197,997.90 - Step 6: Final answer
x = 148,149.07
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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.