Finding the Fourth Proportional to 201,120.87, 277,548.59 and 110,478.68
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Solution
The fourth proportional to 201,120.87, 277,548.59 and 110,478.68 is: 152,461.55
Step by Step Solution
- Step 1: Write the proportion equation
201,120.87 : 277,548.59 = 110,478.68 : x - Step 2: Convert to fraction form
201,120.87/277,548.59 = 110,478.68/x - Step 3: Cross multiply
201,120.87x = 277,548.59 × 110,478.68 - Step 4: Simplify right side
201,120.87x = 30,663,199,918.92 - Step 5: Solve for x
x = 30,663,199,918.92/201,120.87 - Step 6: Final answer
x = 152,461.55
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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.