Finding the Fourth Proportional to 201,438.19, 277,979.16 and 110,794.15
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Solution
The fourth proportional to 201,438.19, 277,979.16 and 110,794.15 is: 152,892.88
Step by Step Solution
- Step 1: Write the proportion equation
201,438.19 : 277,979.16 = 110,794.15 : x - Step 2: Convert to fraction form
201,438.19/277,979.16 = 110,794.15/x - Step 3: Cross multiply
201,438.19x = 277,979.16 × 110,794.15 - Step 4: Simplify right side
201,438.19x = 30,798,464,749.91 - Step 5: Solve for x
x = 30,798,464,749.91/201,438.19 - Step 6: Final answer
x = 152,892.88
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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.