Finding the Fourth Proportional to 271,311.08, 374,408.10 and 152,079.08
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Solution
The fourth proportional to 271,311.08, 374,408.10 and 152,079.08 is: 209,868.46
Step by Step Solution
- Step 1: Write the proportion equation
271,311.08 : 374,408.10 = 152,079.08 : x - Step 2: Convert to fraction form
271,311.08/374,408.10 = 152,079.08/x - Step 3: Cross multiply
271,311.08x = 374,408.10 × 152,079.08 - Step 4: Simplify right side
271,311.08x = 56,939,639,392.55 - Step 5: Solve for x
x = 56,939,639,392.55/271,311.08 - Step 6: Final answer
x = 209,868.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.