Finding the Fourth Proportional to 242,131.80, 363,197.70 and 211,027.80
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Solution
The fourth proportional to 242,131.80, 363,197.70 and 211,027.80 is: 316,541.70
Step by Step Solution
- Step 1: Write the proportion equation
242,131.80 : 363,197.70 = 211,027.80 : x - Step 2: Convert to fraction form
242,131.80/363,197.70 = 211,027.80/x - Step 3: Cross multiply
242,131.80x = 363,197.70 × 211,027.80 - Step 4: Simplify right side
242,131.80x = 76,644,811,596.06 - Step 5: Solve for x
x = 76,644,811,596.06/242,131.80 - Step 6: Final answer
x = 316,541.70
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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.