Finding the Fourth Proportional to 366,985.70, 513,157.90 and 366,985.70
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Solution
The fourth proportional to 366,985.70, 513,157.90 and 366,985.70 is: 513,157.90
Step by Step Solution
- Step 1: Write the proportion equation
366,985.70 : 513,157.90 = 366,985.70 : x - Step 2: Convert to fraction form
366,985.70/513,157.90 = 366,985.70/x - Step 3: Cross multiply
366,985.70x = 513,157.90 × 366,985.70 - Step 4: Simplify right side
366,985.70x = 188,321,611,142.03 - Step 5: Solve for x
x = 188,321,611,142.03/366,985.70 - Step 6: Final answer
x = 513,157.90
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.