Finding the Fourth Proportional to 134,858.60, 202,239.30 and 68,276.60
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Solution
The fourth proportional to 134,858.60, 202,239.30 and 68,276.60 is: 102,390.29
Step by Step Solution
- Step 1: Write the proportion equation
134,858.60 : 202,239.30 = 68,276.60 : x - Step 2: Convert to fraction form
134,858.60/202,239.30 = 68,276.60/x - Step 3: Cross multiply
134,858.60x = 202,239.30 × 68,276.60 - Step 4: Simplify right side
134,858.60x = 13,808,211,790.38 - Step 5: Solve for x
x = 13,808,211,790.38/134,858.60 - Step 6: Final answer
x = 102,390.29
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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.