Finding the Fourth Proportional to 145,843.47, 201,356.87 and 119,049.68
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Solution
The fourth proportional to 145,843.47, 201,356.87 and 119,049.68 is: 164,364.37
Step by Step Solution
- Step 1: Write the proportion equation
145,843.47 : 201,356.87 = 119,049.68 : x - Step 2: Convert to fraction form
145,843.47/201,356.87 = 119,049.68/x - Step 3: Cross multiply
145,843.47x = 201,356.87 × 119,049.68 - Step 4: Simplify right side
145,843.47x = 23,971,469,337.27 - Step 5: Solve for x
x = 23,971,469,337.27/145,843.47 - Step 6: Final answer
x = 164,364.37
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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.