Finding the Fourth Proportional to 134,453.88, 201,686.40 and 39,684.08
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Solution
The fourth proportional to 134,453.88, 201,686.40 and 39,684.08 is: 59,527.77
Step by Step Solution
- Step 1: Write the proportion equation
134,453.88 : 201,686.40 = 39,684.08 : x - Step 2: Convert to fraction form
134,453.88/201,686.40 = 39,684.08/x - Step 3: Cross multiply
134,453.88x = 201,686.40 × 39,684.08 - Step 4: Simplify right side
134,453.88x = 8,003,739,232.51 - Step 5: Solve for x
x = 8,003,739,232.51/134,453.88 - Step 6: Final answer
x = 59,527.77
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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.