Finding the Fourth Proportional to 180,875.73, 271,276.65 and 68,517.21
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Solution
The fourth proportional to 180,875.73, 271,276.65 and 68,517.21 is: 102,761.82
Step by Step Solution
- Step 1: Write the proportion equation
180,875.73 : 271,276.65 = 68,517.21 : x - Step 2: Convert to fraction form
180,875.73/271,276.65 = 68,517.21/x - Step 3: Cross multiply
180,875.73x = 271,276.65 × 68,517.21 - Step 4: Simplify right side
180,875.73x = 18,587,119,196.15 - Step 5: Solve for x
x = 18,587,119,196.15/180,875.73 - Step 6: Final answer
x = 102,761.82
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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.