Finding the Fourth Proportional to 134,170.40, 201,282.60 and 39,400.40
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Solution
The fourth proportional to 134,170.40, 201,282.60 and 39,400.40 is: 59,108.53
Step by Step Solution
- Step 1: Write the proportion equation
134,170.40 : 201,282.60 = 39,400.40 : x - Step 2: Convert to fraction form
134,170.40/201,282.60 = 39,400.40/x - Step 3: Cross multiply
134,170.40x = 201,282.60 × 39,400.40 - Step 4: Simplify right side
134,170.40x = 7,930,614,953.04 - Step 5: Solve for x
x = 7,930,614,953.04/134,170.40 - Step 6: Final answer
x = 59,108.53
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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.