Finding the Fourth Proportional to 197,654.06, 272,762.78 and 107,010.09
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Solution
The fourth proportional to 197,654.06, 272,762.78 and 107,010.09 is: 147,674.02
Step by Step Solution
- Step 1: Write the proportion equation
197,654.06 : 272,762.78 = 107,010.09 : x - Step 2: Convert to fraction form
197,654.06/272,762.78 = 107,010.09/x - Step 3: Cross multiply
197,654.06x = 272,762.78 × 107,010.09 - Step 4: Simplify right side
197,654.06x = 29,188,369,636.45 - Step 5: Solve for x
x = 29,188,369,636.45/197,654.06 - Step 6: Final answer
x = 147,674.02
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1.5x scale
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.