Finding the Fourth Proportional to 134,427.58, 201,671.37 and 40,940.54
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Solution
The fourth proportional to 134,427.58, 201,671.37 and 40,940.54 is: 61,419.95
Step by Step Solution
- Step 1: Write the proportion equation
134,427.58 : 201,671.37 = 40,940.54 : x - Step 2: Convert to fraction form
134,427.58/201,671.37 = 40,940.54/x - Step 3: Cross multiply
134,427.58x = 201,671.37 × 40,940.54 - Step 4: Simplify right side
134,427.58x = 8,256,534,790.34 - Step 5: Solve for x
x = 8,256,534,790.34/134,427.58 - Step 6: Final answer
x = 61,419.95
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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.