Finding the Fourth Proportional to 134,201.80, 201,059.70 and 106,305.40
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Solution
The fourth proportional to 134,201.80, 201,059.70 and 106,305.40 is: 159,265.61
Step by Step Solution
- Step 1: Write the proportion equation
134,201.80 : 201,059.70 = 106,305.40 : x - Step 2: Convert to fraction form
134,201.80/201,059.70 = 106,305.40/x - Step 3: Cross multiply
134,201.80x = 201,059.70 × 106,305.40 - Step 4: Simplify right side
134,201.80x = 21,373,731,832.38 - Step 5: Solve for x
x = 21,373,731,832.38/134,201.80 - Step 6: Final answer
x = 159,265.61
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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.