Finding the Fourth Proportional to 122,997.80, 184,496.70 and 122,997.80
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Solution
The fourth proportional to 122,997.80, 184,496.70 and 122,997.80 is: 184,496.70
Step by Step Solution
- Step 1: Write the proportion equation
122,997.80 : 184,496.70 = 122,997.80 : x - Step 2: Convert to fraction form
122,997.80/184,496.70 = 122,997.80/x - Step 3: Cross multiply
122,997.80x = 184,496.70 × 122,997.80 - Step 4: Simplify right side
122,997.80x = 22,692,688,207.26 - Step 5: Solve for x
x = 22,692,688,207.26/122,997.80 - Step 6: Final answer
x = 184,496.70
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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.