Finding the Fourth Proportional to 197,562.68, 272,637.20 and 106,918.62
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Solution
The fourth proportional to 197,562.68, 272,637.20 and 106,918.62 is: 147,548.08
Step by Step Solution
- Step 1: Write the proportion equation
197,562.68 : 272,637.20 = 106,918.62 : x - Step 2: Convert to fraction form
197,562.68/272,637.20 = 106,918.62/x - Step 3: Cross multiply
197,562.68x = 272,637.20 × 106,918.62 - Step 4: Simplify right side
197,562.68x = 29,149,992,650.07 - Step 5: Solve for x
x = 29,149,992,650.07/197,562.68 - Step 6: Final answer
x = 147,548.08
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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.