Finding the Fourth Proportional to 134,518.40, 201,842.40 and 102,917.60
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Solution
The fourth proportional to 134,518.40, 201,842.40 and 102,917.60 is: 154,425.98
Step by Step Solution
- Step 1: Write the proportion equation
134,518.40 : 201,842.40 = 102,917.60 : x - Step 2: Convert to fraction form
134,518.40/201,842.40 = 102,917.60/x - Step 3: Cross multiply
134,518.40x = 201,842.40 × 102,917.60 - Step 4: Simplify right side
134,518.40x = 20,773,135,386.24 - Step 5: Solve for x
x = 20,773,135,386.24/134,518.40 - Step 6: Final answer
x = 154,425.98
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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.