Finding the Fourth Proportional to 122,980.70, 184,471.05 and 44,102.90
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Solution
The fourth proportional to 122,980.70, 184,471.05 and 44,102.90 is: 66,154.35
Step by Step Solution
- Step 1: Write the proportion equation
122,980.70 : 184,471.05 = 44,102.90 : x - Step 2: Convert to fraction form
122,980.70/184,471.05 = 44,102.90/x - Step 3: Cross multiply
122,980.70x = 184,471.05 × 44,102.90 - Step 4: Simplify right side
122,980.70x = 8,135,708,271.05 - Step 5: Solve for x
x = 8,135,708,271.05/122,980.70 - Step 6: Final answer
x = 66,154.35
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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.