Finding the Fourth Proportional to 201,358.08, 277,868.40 and 110,713.92
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Solution
The fourth proportional to 201,358.08, 277,868.40 and 110,713.92 is: 152,782.05
Step by Step Solution
- Step 1: Write the proportion equation
201,358.08 : 277,868.40 = 110,713.92 : x - Step 2: Convert to fraction form
201,358.08/277,868.40 = 110,713.92/x - Step 3: Cross multiply
201,358.08x = 277,868.40 × 110,713.92 - Step 4: Simplify right side
201,358.08x = 30,763,899,808.13 - Step 5: Solve for x
x = 30,763,899,808.13/201,358.08 - Step 6: Final answer
x = 152,782.05
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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.