Finding the Fourth Proportional to 134,502.80, 201,235.80 and 87,846.80
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Solution
The fourth proportional to 134,502.80, 201,235.80 and 87,846.80 is: 131,431.62
Step by Step Solution
- Step 1: Write the proportion equation
134,502.80 : 201,235.80 = 87,846.80 : x - Step 2: Convert to fraction form
134,502.80/201,235.80 = 87,846.80/x - Step 3: Cross multiply
134,502.80x = 201,235.80 × 87,846.80 - Step 4: Simplify right side
134,502.80x = 17,677,921,075.44 - Step 5: Solve for x
x = 17,677,921,075.44/134,502.80 - Step 6: Final answer
x = 131,431.62
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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.