Finding the Fourth Proportional to 205,205.80, 307,808.70 and 184,469.80
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Solution
The fourth proportional to 205,205.80, 307,808.70 and 184,469.80 is: 276,704.70
Step by Step Solution
- Step 1: Write the proportion equation
205,205.80 : 307,808.70 = 184,469.80 : x - Step 2: Convert to fraction form
205,205.80/307,808.70 = 184,469.80/x - Step 3: Cross multiply
205,205.80x = 307,808.70 × 184,469.80 - Step 4: Simplify right side
205,205.80x = 56,781,409,327.26 - Step 5: Solve for x
x = 56,781,409,327.26/205,205.80 - Step 6: Final answer
x = 276,704.70
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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.