Finding the Fourth Proportional to 134,511.80, 201,767.70 and 36,015.80
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Solution
The fourth proportional to 134,511.80, 201,767.70 and 36,015.80 is: 54,023.70
Step by Step Solution
- Step 1: Write the proportion equation
134,511.80 : 201,767.70 = 36,015.80 : x - Step 2: Convert to fraction form
134,511.80/201,767.70 = 36,015.80/x - Step 3: Cross multiply
134,511.80x = 201,767.70 × 36,015.80 - Step 4: Simplify right side
134,511.80x = 7,266,825,129.66 - Step 5: Solve for x
x = 7,266,825,129.66/134,511.80 - Step 6: Final answer
x = 54,023.70
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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.