Finding the Fourth Proportional to 201,103.02, 277,511.34 and 115,063.68
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Solution
The fourth proportional to 201,103.02, 277,511.34 and 115,063.68 is: 158,781.68
Step by Step Solution
- Step 1: Write the proportion equation
201,103.02 : 277,511.34 = 115,063.68 : x - Step 2: Convert to fraction form
201,103.02/277,511.34 = 115,063.68/x - Step 3: Cross multiply
201,103.02x = 277,511.34 × 115,063.68 - Step 4: Simplify right side
201,103.02x = 31,931,476,022.13 - Step 5: Solve for x
x = 31,931,476,022.13/201,103.02 - Step 6: Final answer
x = 158,781.68
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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.