Finding the Fourth Proportional to 611,671.68, 917,808.21 and 274,950.21
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Solution
The fourth proportional to 611,671.68, 917,808.21 and 274,950.21 is: 412,560.48
Step by Step Solution
- Step 1: Write the proportion equation
611,671.68 : 917,808.21 = 274,950.21 : x - Step 2: Convert to fraction form
611,671.68/917,808.21 = 274,950.21/x - Step 3: Cross multiply
611,671.68x = 917,808.21 × 274,950.21 - Step 4: Simplify right side
611,671.68x = 252,351,560,079.22 - Step 5: Solve for x
x = 252,351,560,079.22/611,671.68 - Step 6: Final answer
x = 412,560.48
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1.5x scale
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.