Finding the Fourth Proportional to 367,577.10, 515,657.70 and 367,577.10
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Solution
The fourth proportional to 367,577.10, 515,657.70 and 367,577.10 is: 515,657.70
Step by Step Solution
- Step 1: Write the proportion equation
367,577.10 : 515,657.70 = 367,577.10 : x - Step 2: Convert to fraction form
367,577.10/515,657.70 = 367,577.10/x - Step 3: Cross multiply
367,577.10x = 515,657.70 × 367,577.10 - Step 4: Simplify right side
367,577.10x = 189,543,961,958.67 - Step 5: Solve for x
x = 189,543,961,958.67/367,577.10 - Step 6: Final answer
x = 515,657.70
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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.