Finding the Fourth Proportional to 201,279.36, 277,829.28 and 137,593.92
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Solution
The fourth proportional to 201,279.36, 277,829.28 and 137,593.92 is: 189,923.20
Step by Step Solution
- Step 1: Write the proportion equation
201,279.36 : 277,829.28 = 137,593.92 : x - Step 2: Convert to fraction form
201,279.36/277,829.28 = 137,593.92/x - Step 3: Cross multiply
201,279.36x = 277,829.28 × 137,593.92 - Step 4: Simplify right side
201,279.36x = 38,227,619,725.98 - Step 5: Solve for x
x = 38,227,619,725.98/201,279.36 - Step 6: Final answer
x = 189,923.20
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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.