Finding the Fourth Proportional to 201,267.86, 277,775.92 and 129,855.63
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Solution
The fourth proportional to 201,267.86, 277,775.92 and 129,855.63 is: 179,217.72
Step by Step Solution
- Step 1: Write the proportion equation
201,267.86 : 277,775.92 = 129,855.63 : x - Step 2: Convert to fraction form
201,267.86/277,775.92 = 129,855.63/x - Step 3: Cross multiply
201,267.86x = 277,775.92 × 129,855.63 - Step 4: Simplify right side
201,267.86x = 36,070,765,701.55 - Step 5: Solve for x
x = 36,070,765,701.55/201,267.86 - Step 6: Final answer
x = 179,217.72
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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.