Finding the Fourth Proportional to 134,466.20, 201,699.30 and 84,699.80
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Solution
The fourth proportional to 134,466.20, 201,699.30 and 84,699.80 is: 127,049.70
Step by Step Solution
- Step 1: Write the proportion equation
134,466.20 : 201,699.30 = 84,699.80 : x - Step 2: Convert to fraction form
134,466.20/201,699.30 = 84,699.80/x - Step 3: Cross multiply
134,466.20x = 201,699.30 × 84,699.80 - Step 4: Simplify right side
134,466.20x = 17,083,890,370.14 - Step 5: Solve for x
x = 17,083,890,370.14/134,466.20 - Step 6: Final answer
x = 127,049.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.