Finding the Fourth Proportional to 134,383.12, 201,603.85 and 40,886.44
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Solution
The fourth proportional to 134,383.12, 201,603.85 and 40,886.44 is: 61,338.53
Step by Step Solution
- Step 1: Write the proportion equation
134,383.12 : 201,603.85 = 40,886.44 : x - Step 2: Convert to fraction form
134,383.12/201,603.85 = 40,886.44/x - Step 3: Cross multiply
134,383.12x = 201,603.85 × 40,886.44 - Step 4: Simplify right side
134,383.12x = 8,242,863,110.57 - Step 5: Solve for x
x = 8,242,863,110.57/134,383.12 - Step 6: Final answer
x = 61,338.53
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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.