Finding the Fourth Proportional to 122,979.60, 184,177.80 and 122,979.60
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Solution
The fourth proportional to 122,979.60, 184,177.80 and 122,979.60 is: 184,177.80
Step by Step Solution
- Step 1: Write the proportion equation
122,979.60 : 184,177.80 = 122,979.60 : x - Step 2: Convert to fraction form
122,979.60/184,177.80 = 122,979.60/x - Step 3: Cross multiply
122,979.60x = 184,177.80 × 122,979.60 - Step 4: Simplify right side
122,979.60x = 22,650,112,172.88 - Step 5: Solve for x
x = 22,650,112,172.88/122,979.60 - Step 6: Final answer
x = 184,177.80
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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.