Finding the Fourth Proportional to 147,009.68, 220,625.49 and 107,668.79
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Solution
The fourth proportional to 147,009.68, 220,625.49 and 107,668.79 is: 161,584.46
Step by Step Solution
- Step 1: Write the proportion equation
147,009.68 : 220,625.49 = 107,668.79 : x - Step 2: Convert to fraction form
147,009.68/220,625.49 = 107,668.79/x - Step 3: Cross multiply
147,009.68x = 220,625.49 × 107,668.79 - Step 4: Simplify right side
147,009.68x = 23,754,478,448.33 - Step 5: Solve for x
x = 23,754,478,448.33/147,009.68 - Step 6: Final answer
x = 161,584.46
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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.