Finding the Fourth Proportional to 505,477.84, 758,202.12 and 205,884.30
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Solution
The fourth proportional to 505,477.84, 758,202.12 and 205,884.30 is: 308,820.49
Step by Step Solution
- Step 1: Write the proportion equation
505,477.84 : 758,202.12 = 205,884.30 : x - Step 2: Convert to fraction form
505,477.84/758,202.12 = 205,884.30/x - Step 3: Cross multiply
505,477.84x = 758,202.12 × 205,884.30 - Step 4: Simplify right side
505,477.84x = 156,101,912,734.72 - Step 5: Solve for x
x = 156,101,912,734.72/505,477.84 - Step 6: Final answer
x = 308,820.49
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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.