Finding the Fourth Proportional to 286,206.48, 394,827.72 and 201,370.32
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Solution
The fourth proportional to 286,206.48, 394,827.72 and 201,370.32 is: 277,794.49
Step by Step Solution
- Step 1: Write the proportion equation
286,206.48 : 394,827.72 = 201,370.32 : x - Step 2: Convert to fraction form
286,206.48/394,827.72 = 201,370.32/x - Step 3: Cross multiply
286,206.48x = 394,827.72 × 201,370.32 - Step 4: Simplify right side
286,206.48x = 79,506,584,321.27 - Step 5: Solve for x
x = 79,506,584,321.27/286,206.48 - Step 6: Final answer
x = 277,794.49
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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.