Finding the Fourth Proportional to 180,909.92, 271,385.84 and 68,673.99
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Solution
The fourth proportional to 180,909.92, 271,385.84 and 68,673.99 is: 103,018.95
Step by Step Solution
- Step 1: Write the proportion equation
180,909.92 : 271,385.84 = 68,673.99 : x - Step 2: Convert to fraction form
180,909.92/271,385.84 = 68,673.99/x - Step 3: Cross multiply
180,909.92x = 271,385.84 × 68,673.99 - Step 4: Simplify right side
180,909.92x = 18,637,149,651.68 - Step 5: Solve for x
x = 18,637,149,651.68/180,909.92 - Step 6: Final answer
x = 103,018.95
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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.