Finding the Fourth Proportional to 201,529.92, 277,883.96 and 155,484.68
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Solution
The fourth proportional to 201,529.92, 277,883.96 and 155,484.68 is: 214,393.47
Step by Step Solution
- Step 1: Write the proportion equation
201,529.92 : 277,883.96 = 155,484.68 : x - Step 2: Convert to fraction form
201,529.92/277,883.96 = 155,484.68/x - Step 3: Cross multiply
201,529.92x = 277,883.96 × 155,484.68 - Step 4: Simplify right side
201,529.92x = 43,206,698,597.73 - Step 5: Solve for x
x = 43,206,698,597.73/201,529.92 - Step 6: Final answer
x = 214,393.47
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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.