Finding the Fourth Proportional to 194,575.20, 291,214.80 and 141,115.20
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Solution
The fourth proportional to 194,575.20, 291,214.80 and 141,115.20 is: 211,202.84
Step by Step Solution
- Step 1: Write the proportion equation
194,575.20 : 291,214.80 = 141,115.20 : x - Step 2: Convert to fraction form
194,575.20/291,214.80 = 141,115.20/x - Step 3: Cross multiply
194,575.20x = 291,214.80 × 141,115.20 - Step 4: Simplify right side
194,575.20x = 41,094,834,744.96 - Step 5: Solve for x
x = 41,094,834,744.96/194,575.20 - Step 6: Final answer
x = 211,202.84
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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.