Finding the Fourth Proportional to 211,062.40, 316,593.60 and 201,731.20
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Solution
The fourth proportional to 211,062.40, 316,593.60 and 201,731.20 is: 302,596.80
Step by Step Solution
- Step 1: Write the proportion equation
211,062.40 : 316,593.60 = 201,731.20 : x - Step 2: Convert to fraction form
211,062.40/316,593.60 = 201,731.20/x - Step 3: Cross multiply
211,062.40x = 316,593.60 × 201,731.20 - Step 4: Simplify right side
211,062.40x = 63,866,806,840.32 - Step 5: Solve for x
x = 63,866,806,840.32/211,062.40 - Step 6: Final answer
x = 302,596.80
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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.