Finding the Fourth Proportional to 134,433.41, 201,603.11 and 39,638.43
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Solution
The fourth proportional to 134,433.41, 201,603.11 and 39,638.43 is: 59,443.79
Step by Step Solution
- Step 1: Write the proportion equation
134,433.41 : 201,603.11 = 39,638.43 : x - Step 2: Convert to fraction form
134,433.41/201,603.11 = 39,638.43/x - Step 3: Cross multiply
134,433.41x = 201,603.11 × 39,638.43 - Step 4: Simplify right side
134,433.41x = 7,991,230,565.33 - Step 5: Solve for x
x = 7,991,230,565.33/134,433.41 - Step 6: Final answer
x = 59,443.79
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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.