Finding the Fourth Proportional to 415,996.21, 623,611.59 and 226,179.19
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Solution
The fourth proportional to 415,996.21, 623,611.59 and 226,179.19 is: 339,060.70
Step by Step Solution
- Step 1: Write the proportion equation
415,996.21 : 623,611.59 = 226,179.19 : x - Step 2: Convert to fraction form
415,996.21/623,611.59 = 226,179.19/x - Step 3: Cross multiply
415,996.21x = 623,611.59 × 226,179.19 - Step 4: Simplify right side
415,996.21x = 141,047,964,300.81 - Step 5: Solve for x
x = 141,047,964,300.81/415,996.21 - Step 6: Final answer
x = 339,060.70
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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.