Finding the Fourth Proportional to 122,983.60, 184,475.04 and 38,750.80
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Solution
The fourth proportional to 122,983.60, 184,475.04 and 38,750.80 is: 58,126.09
Step by Step Solution
- Step 1: Write the proportion equation
122,983.60 : 184,475.04 = 38,750.80 : x - Step 2: Convert to fraction form
122,983.60/184,475.04 = 38,750.80/x - Step 3: Cross multiply
122,983.60x = 184,475.04 × 38,750.80 - Step 4: Simplify right side
122,983.60x = 7,148,555,380.03 - Step 5: Solve for x
x = 7,148,555,380.03/122,983.60 - Step 6: Final answer
x = 58,126.09
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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.