Finding the Fourth Proportional to 286,228.48, 394,858.08 and 201,392.32
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Solution
The fourth proportional to 286,228.48, 394,858.08 and 201,392.32 is: 277,824.85
Step by Step Solution
- Step 1: Write the proportion equation
286,228.48 : 394,858.08 = 201,392.32 : x - Step 2: Convert to fraction form
286,228.48/394,858.08 = 201,392.32/x - Step 3: Cross multiply
286,228.48x = 394,858.08 × 201,392.32 - Step 4: Simplify right side
286,228.48x = 79,521,384,801.95 - Step 5: Solve for x
x = 79,521,384,801.95/286,228.48 - Step 6: Final answer
x = 277,824.85
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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.